TOP 20 đề ôn tập chinh phục điểm 8 – 9 – 10 kỳ thi THPT Quốc gia 2023 môn Toán

Tuyển tập 20 đề ôn tập chinh phục mức điểm 8 – 9 – 10 trong kỳ thi tốt nghiệp THPT Quốc gia năm 2023 môn Toán; các đề thi chỉ bao gồm các câu hỏi từ câu 41 đến câu 50, mức độ vận dụng và vận dụng cao (VD – VDC)

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ĂNG TỐC VỀ ĐÍCH
NEW
CHÚNG
TÔI SẼ
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THẮNG
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Đ
C C
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Câu 1:
Có bao nhiêu số nguyên
x
thỏa mãn
2 3
5 5
log log 2 6561 3 0
x
x x
8
.
5
.
6
.
7
.
Lời giải
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Câu 2:
Cho hình nón có thiết diện qua đỉnh
S
là tam giác đều có cạnh bằng
16
và tạo với mặt đáy một
góc
0
60
. Thể tích của khối nón đó bằng:
16 7
.
448
.
1344
.
192 7
.
Lời giải
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HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023
ĐỀ 01
Thời gian làm bài: 90 phút, không kể thời gian phát đề
CHINH PH
C ĐI
M 8
-
9
-
10
Câu 41
Câu 42
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Bản Word lời giải chi tiết lh zalo: 083433213
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GV:
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Câu 3:
Trong không gian
Oxyz
, cho điểm
4; 2;3M
và đường thẳng
1 3 2
:
1 1 1
x y z
d
. Đường
thẳng
đi qua điểm
M
, cắt trục
Oy
và vuông góc với đường thẳng
d
có phương trình là
4 4
2
3 3
x t
y t
z t
4 4
2
3 3
x t
y t
z t
4 4
2
3 3
x t
y t
z t
4 4
2
3 3
x t
y t
z t
Lời giải
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Câu 43
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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GV:
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Câu 4:
Cho hàm số
3 2
, , ,y f x ax bx cx d a b c d
có đồ thị như hình vẽ bên dưới.
Số nghiệm thực phân biệt của phương trình
3 0f f x
6
.
3
.
5
.
4
.
Lời giải
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Câu 44
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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Câu 5:
Trong không gian
Oxyz
, cho mặt cầu
S
phương trình
2 2 2
2 4 2 4 0x y z x y z
đường thẳng
2
:
2 1 4
x y z
d
. Hai mặt phẳng
,P Q
chứa đường thẳng
d
và tiếp xúc với mặt
cầu
S
lần lượt tại
,M N
. Gọi
; ;
H a b c
là trung điểm của
MN
. Khi đó tổng
a b c
bằng
10
3
.
10
3
.
14
3
.
14
3
.
Lời giải
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Câu 6:
Cho hàm số bậc ba
3 2
1
3
y f x ax bx x c
đường thẳng
y g x
có đồ thị như hình v
sau:
Câu 45
Câu 46
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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Biết
5AB
. Diện tích hình phẳng giới hạn bởi đồ thị
y f x
, trục hoành 2 đường thẳng
1, 2x x
bằng
5
12
13
12
17
12
19
12
Lời giải
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Câu 7:
Cho số phức
, ,z a bi a b
thỏa mãn
2
4 40 1z z i i z z
1
3
2
z i
đạt giá trị
nhỏ nhất. Tính
3 8S b a
19S
23S
7S
11S
Lời giải
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Câu 47
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
6
GV:
Tr
n Đình Cư
0834332133
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Câu 8:
Cho hàm số
y f x
đạo hàm
3
4 16
f x x x
0 3
f
. Gọi
k
số điểm cực tiểu của
hàm số
2
2
1g x f x
. Tính giá trị biểu thức
2
2 5T k k
.
33T
.
11T
.
20T
.
96T
.
Lời giải
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Câu 48
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
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GV:
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Câu 9:
bao nhiêu số nguyên
2022;2022y
để bất phương trình
3
3
11
log
log
10
10
3 3
x
x
y
x
nghiệm đúng
với mọi số thực
1;9x
.
4044
.
4026
.
2022
.
2023
.
Lời giải
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Câu 10:
Có bao nhiêu giá trị nguyên của tham số
m
số hàm số
3 2
3 10f x x x mx
đồng biến trên
khoảng
1;1
?
3
.
4
.
5
.
6
.
Lời giải
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Câu 49
Câu 50
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
8
GV:
Tr
n Đ
ình Cư
083
4332133
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HẾT
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
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GV:
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Câu 1:
Cho số phức
z
thỏa mãn
2 2 2i z i z i
. Giá trị nhỏ nhất của
z
bằng:
1
.
5
5
.
2 5
5
.
2
.
Lời giải
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Câu 2:
Cho hình trtâm hai đường tròn đáy lần lượt
O
'O
, bán kính đáy hình trụ bằng
a
.
Trên đường tròn đáy
O
'
O
lần lượt lấy hai điểm
,A B
sao cho
AB
tạo với trục của hình trụ
một góc
0
30
và có khoảng cách đến trục của hình trụ bằng
3
2
a
. Tính thể tíc khối chóp
. 'O O AB
3
2
3
a
.
3
4
a
.
3
3
4
a
.
3
3
4
a
.
Lời giải
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023
ĐỀ 02
Thời gian làm bài: 90 phút, không kể thời gian phát đề
CHINH PHỤC ĐIỂM 8-9-10
Câu
4
1
Câu
4
2
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
2
GV:
Tr
n Đình Cư
0834332133
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Câu 3:
bao nhiêu cặp số nguyên thỏa mãn
0 2023x
1 2023y
1 4
2 2
4 log 3 2 log 2 1 .
x y
y x
2022
.
1011
.
4039
.
4037
.
Lời giải
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x y
Câu
4
3
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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GV:
Tr
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0834332133
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Câu 4:
Cho hàm số
y f x
đạo hàm liên tục trên
thỏa mãn
2 e
x
f x f x x
,
x
;
1
0
2
f
. Diện tích hình phẳng giới hạn bởi các đường
2y f x
;
y f x
và trục tung bằng
2e e 5
2
.
3 e
.
2
3 e
.
e e 5
2
.
Lời giải
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Câu 5:
Trong không gian với hệ trục toạ độ
Oxyz
, cho mặt cầu
2 2 2
: 8
S x y z
điểm
1 3
; ;0
2 2
M
. Đường thẳng
d
thay đổi, đi qua điểm
M
và cắt mặt cầu
S
tại hai điểm
,A B
phân
biệt. Tính diện tích lớn nhất của tam giác
OAB
.
2 2
.
2 7
.
4
.
7
.
Câu
4
4
Câu
4
5
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
4
GV:
Tr
n Đình Cư
0834332133
Lời giải
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Câu 6:
Cho hình chóp
.S ABCD
ABCD
hình thang vuông tại đỉnh
A
.D
Biết đ dài
4 , 3 , 5AB a AD a CD a
tam giác
SBC
đều góc giữa mặt phẳng
SBC
( )ABCD
bằng
0
60 .
Tính thể tích khối chóp
.S ABCD
theo
.a
3
27 10
4
a
.
3
27
4
a
.
3
27 10
8
a
.
3
27
8
a
.
Lời giải
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Câu
4
6
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
5
GV:
Tr
n Đình Cư
0834332133
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Câu 7:
Trong không gian với hệ tọa đô
Oxyz
, cho hai đường thẳng
3 3 2
:
1 2 2
x y z
3 3 2
:
1 2 2
x y z
. Mặt phẳng
: 2 0P x my nz p
(
m
;
n
;
p
) chứa đường thẳng
tạo với đường thẳng
một góc lớn nhất. Khi đó tích của
m
;
n
;
p
bằng:
60
30
20
.
30
.
Lời giải
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Câu
4
7
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
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GV:
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Câu 8:
Trên tập hợp số phức, xét phương trình bậc hai
2 2
2 2 3 0 0z m z m
( với
m
số thực).
Tính tổng tất cả các giá trị của
m
để phương trình đó hai nghiệm phân biệt
1 2
,z z
thỏa mãn
1 2 2 1 1 2
2 .z z z z z z
12
7
.
185
63
.
0
.
11
9
.
Lời giải
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Câu 9:
Trong không gian với hệ tọa độ
Oxyz
, cho đường thẳng
1
:
2 1 1
x y z
d
mặt phẳng
: 2 2 5 0 x y z
. Tìm điểm
A
trên
d
sao cho khoảng cách từ
A
đến mặt phẳng
bằng
3.
0;0; 1A
.
2;1; 2A
.
2; 1;0A
.
4; 2; 1A
.
Lời giải
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Câu
4
8
Câu
4
9
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
7
GV:
Tr
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0834332133
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Câu 10:
bao nhiêu giá trị nguyên của tham số
2023;2023m
để hàm số
8 3 2 4 3 4 2
x x x
y m m m
đồng biến trên khoảng
;2
?
2022
.
2020
.
4039
.
4037
.
Lời giải
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Câu
5
0
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời
giải chi tiết lh zalo: 083433213
8
GV:
Tr
n Đ
ình Cư
0
834332133
HẾT
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Câu 1:
Cho là hàm số liên tục trên tập số thực không âm thỏa mãn
2
3 1 2 0.
f x x x x
Tính
5
1
df x x
. . . .
Lời giải
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Câu 2:
Cho hình lăng trđứng
.ABC A B C
đáy
ABC
vuông tại
,A
3AB a
,
AC AA a
Gtrsin
của góc giữa đường thẳng
AC
và mặt phẳng
BCC B
bằng
10
4
.
6
3
.
3
3
.
6
4
.
Lời giải
( )
f x
37
6
527
3
6
464
3
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023
ĐỀ 03
Thời gian làm bài: 90 phút, không kể thời gian phát đề
CHINH PHỤC ĐIỂM 8-9-10
Câu 41
Câu 42
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Câu 3:
Cho hàm số
y f x
liên tục trên
. Đồ thị hàm s
3
'y f x
được cho trong hình bên. Hàm
số
4
1
8
g x f x x x
có tối đa bao nhiêu điểm cực đại?
2
.
3
.
4
.
5
.
Lời giải
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Câu 43
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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Câu 4:
Cho hình chóp
.S ABCD
đáy
ABCD
hình bình hành. Gọi
M
là điểm đối xứng của
C
qua
B
N
là trung điểm của
SC
. Mặt phẳng
MND
chia khối chóp
.S ABCD
thành hai khối đa diện,
trong đó khối đa diện chứa đỉnh
S
có thể tích
1
V
, khối đa diện còn lại có thể tích
2
V
(tham khảo
hình vẽ bên).
Tính tỉ số
1
2
V
V
.
1
2
12
7
V
V
.
1
2
5
3
V
V
.
1
2
7
5
V
V
.
1
2
1
5
V
V
.
Lời giải
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Câu 44
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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Câu 5:
Cho hàm số
2
3 ln 3f x ax a x x
với
a
tham số thực. Biết rằng nếu
1;3
max 2f x f
thì
1;3
min
f x m
. Khẳng định nào sau đây đúng?
6; 7m
.
7;8m
.
8;9m
.
9;10m
.
Lời giải
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Câu 45
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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Câu 6:
Cho hàm số
f x
đạo hàm trên đoạn
1;e
thỏa mãn
1 0f
;
1 , 1;f x x f x x e
. Tích phân
1
d
e
f x x
bằng
2
1
4
e
.
2
1
2
e
.
2
1
4
e
.
2
1
2
e
.
Lời giải
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Câu 7:
Có bao nhiêu số nguyên dương
x
sao cho tồn tại số thực
y
lớn hơn
1
thỏa mãn
2
2 3
2 1 log log
y x
xy x y y
x
3. 1. vô số. 2.
Lời giải
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Câu 46
Câu 47
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GV:
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Câu 8:
Trong không gian với hệ tọa độ Oxyz, cho mặt cầu
S
tâm thuộc mặt phẳng
( ) : 2 7 0P x y z
đi qua hai điểm
1;2;1 , 2;5;3A B
. Bán kính nhỏ nhất của mặt cầu
S
bằng:
470
3
.
546
3
.
763
3
.
345
3
.
Lời giải
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Câu 48
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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Câu 9:
Trong khoảng
10; 20
bao nhiêu giá trị nguyên của tham số m để phương trình
2
3 9
4 log ( 1) log 9( 1)
m
x x x
có đúng 2 nghiệm phân biệt.
23. 20. 8. 15.
Lời giải
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Câu 10:
Cho hàm số
2
2 1f x x x
. Gọi
S
là tập hợp tất cả các giá trị thực của tham số
m
để giá trị
lớn nhất của hàm số
2
2g x f x f x m
trên đoạn
1;3
bằng
8
. Tính tổng các phần tử
của
S
.
7
.
2
.
0
.
5
.
Lời giải
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Câu 49
Câu 50
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giải chi tiết lh zalo: 083433213
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GV:
Tr
n Đ
ình Cư
0
834332133
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HẾT
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
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GV:
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Câu 1:
Cho hàm số
y f x
đạo hàm
1,f x cosx x
. Biết
2
2
0
d 1
8
f x x
. Khi đó
2
f
bằng
2
.
1
2
.
1
2
.
1
.
Lời giải
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Câu 2:
Cho hình chóp
.S ABC
đáy tam giác
ABC
vuông tại
A
,
, 2AB a BC a
SB
vuông góc với
mặt phẳng
ABC
. Biết góc giữa hai mặt phẳng
SAC
SBC
bẳng
60
. Thể tích của khối chóp
.S ABC
bằng
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023
ĐỀ 04
Thời gian làm bài: 90 phút, không kể thời gian phát đề
CHINH PHỤC ĐIỂM 8-9-10
Câu 41
Câu 42
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3
2
6
a
.
3
6
12
a
.
3
6
4
a
.
3
2
2
a
.
Lời giải
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Câu 3:
Trên tập hợp các số phức, xét phương trình
2 2
2 2 0z mz m m
(
m
là tham số thực). Có bao
nhiêu giá trị thực của
m
để phương trình đó có nghiệm
0
z
thỏa mãn
0
2z
?
0
.
1
.
2
.
3
.
Lời giải
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Câu 43
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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Câu 4:
Cho số phức
z
thỏa mãn
1 1 5z i z i
2 2
2 1P z i z
. Tổng giá trị lớn nhất và giá
trị nhỏ nhất của
P
bằng
9
.
11
.
2
.
20
.
Lời giải
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Câu 5:
Cho hàm số
3 2
4f x x ax bx c
có đồ thị cắt trục hoành tại ba điểm có hoành độ là
3; 1;1
.
F x
một nguyên hàm của hàm số
f x
g x
hàm số bậc hai đồ thị đi qua ba điểm
cực trị của hàm số
F x
. Diện tích hình phẳng giới hạn bởi đồ thị hàm số
y F x
y g x
bằng
Câu 44
Câu 45
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128
15
.
64
15
.
16
.
64
.
Lời giải
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Câu 6:
Trong không gian với hệ tọa độ
Oxyz
cho mặt phẳng
: 3 2 1 0P x y z
đường thẳng
1 1 4
:
2 1 1
x y z
d
. Phương trình đường thẳng
đi qua
1; 2;1A
mặt phẳng
P
đường
thẳng
d
lần lượt tại
,B C
sao cho
C
là trung điểm của
AB
1 2 1
8 1 1
x y z
.
15 4 1
8 1 1
x y z
.
1 2 1
8 1 1
x y z
.
15 4 1
8 1 1
x y z
.
Lời giải
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Câu 46
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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GV:
Tr
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Câu 7:
Cho hình nón đỉnh
S
, đường cao
SO
,
A
B
hai điểm thuộc đường tròn đáy sao cho tam giác
SAB
đều; khoảng cách từ
O
đến
SAB
bằng
3
3
a
30SAO
. Diện tích xung quanh của hình
nón theo
a
bằng
2
3 a
.
2
3 3
2
a
.
2
6 3 a
.
2
5 3
2
a
.
Lời giải
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Câu 47
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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Câu 8:
Có bao nhiêu số nguyên dương
a
sao cho ứng với mỗi
a
không quá 20 số nguyên
b
thỏa n
2
2 4.6 2 3
a b a b b
?
33
.
32
.
31
.
30
.
Lời giải
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Câu 9:
Trong không gian với hệ trục tọa độ
Oxyz
, cho mặt cầu
2 2 2
: 1 1 1 12S x y z
mặt phẳng
: 2 2 11 0P x y z
. Xét điểm
M
di động trên
P
, các điểm
, ,A B C
phân biệt
di động trên
S
sao cho
, ,MA MB MC
các tiếp tuyến của
S
. Mặt phẳng
ABC
luôn đi qua
điểm cố định nào dưới đây?
0;3; 1E
.
1 1 1
; ;
4 2 2
F
.
0; 1;3G
.
3
;0; 2
2
H
Lời giải
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Câu 48
Câu 49
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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Tr
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Câu 10:
Cho hàm số
y f x
đạo hàm
2
6f x x x
. Có bao nhiêu giá trị nguyên của
m
để hàm
số
3 2
3 9y f x x x m
có đúng 6 điểm cực trị?
7
.
8
.
9
.
10
.
Lời giải
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Câu 50
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời
giải chi tiết lh zalo: 083433213
8
GV:
Tr
n Đ
ình Cư
0
834332133
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1
GV:
Tr
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Câu 1:
Cho hàm số
y f x
liên tục và thỏa mãn
1
2 3f x f x
x
với
1
;2
2
x
. Tính
2
1
2
.
f x
dx
x
3
.
2
9
.
2
9
.
2
3
.
2
Lời giải
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Câu 2:
Trong không gian với hệ trục tọa độ
Oxyz
, cho mặt cầu
2 2 2
: 2 4 2 3 0S x y z x y z
mặt phẳng
: 2 2 14 0
P x y z
. Điểm
M
thay đổi trên
, đểm
N
thay đổi trên
P
. Độ dài
nhỏ nhất của
MN
bằng
1
2
.
2
.
1
.
3
2
.
Lời giải
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023
ĐỀ 05
Thời gian làm bài: 90 phút, không kể thời gian phát đề
CHINH PHỤC ĐIỂM 8-9-10
Câu 41
Câu 42
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
2
GV:
Tr
n Đình Cư
0834332133
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Câu 3:
Gọi diện tích hình phẳng giới hạn bởi các đường
2 2
1
2 , , 0
2
my x mx y m
. Tìm giá trị của
m
để
3S
3m
.
2m
.
1
2
m
.
3
2
m
.
Lời giải
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Câu 43
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
3
GV:
Tr
n Đình Cư
0834332133
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Câu 4:
Cho số phức
z
thỏa mãn
3 4 3z i
2 3 2w z i
. Khi đó
w
có giá trị lớn nhất bằng
6 3 5
.
6 3 5
. 7 .
3 5
.
Lời giải
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Câu 5:
Cho hình nón tròn xoay có chiều cao
20h
, bán kính đáy
25r
. Cắt hình nón đã cho bởi một
mặt phẳng đi qua đỉnh của hình nón khoảng cách từ tâm của đáy hình nón đến mặt phẳng
này bằng
12
. Diện tích thiết diện thu được bằng
500.
400.
300.
406.
Lời giải
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Câu 44
Câu 45
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
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GV:
Tr
n Đình Cư
0834332133
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Câu 6:
Cho dãy số
n
u
thoả mãn
1 2
2 1 3
2
3 3 1
8
2 2
1
log 4 4
4
u u
u u
1
2
n n
u u
với mọi
1n
. Giá trị
nhỏ nhất của
n
để
100
1 2
... 5
n n
S u u u
bằng
233
.
234
.
230
.
231
.
Lời giải
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Câu 46
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
5
GV:
Tr
n Đình Cư
0834332133
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Câu 7:
Cho
( )f x
hàm s liên tục đạo hàm ( )f x
trên
[0;1], (1) 0f
. Biết
1 1
2
0 0
1 1
( ) , ( )
3 3
f x dx f x dx
. Khi đó
1
2
0
( )f x dx
bằng
1
.
6
11
.
48
6
.
23
0.
Lời giải
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Câu 8:
Trên tập hợp các số phức, xét phương trình
2
2 8 12 0z mz m
. bao nhiêu giá trnguyên
của
m
để phương trình đó có hai nghiệm phân biệt
1 2
,z z
thỏa mãn
1 2
?z z
5
6
.
3
.
4
.
Lời giải
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Câu 47
Câu 48
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
6
GV:
Tr
n Đình Cư
0834332133
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Câu 9:
Cho hình chóp
.S ABCD
đáy
ABCD
hình chữ nhật. Tam giác
SAB
nằm trong mặt phẳng
vuông góc với
ABCD
. Biết rằng
AB a
, 3AD a
60ASB . nh diện tích khối cầu
ngoại tiếp hình chóp
.S ABCD
.
2
13
2
a
S
.
2
13
3
a
S
.
2
11
2
a
S
.
2
11
3
a
S
.
Lời giải
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Câu 49
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
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GV:
Tr
n Đình Cư
0834332133
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Câu 10:
Cho đồ thị hàm s
( )y f x
như hình vẽ dưới đây:
Gọi
S
là tập tất cả các giá trị nguyên dương của tham số
m
để hàm s
2
1
( 2023)
3
y f x m
có 5 điểm cực trị. Tổng tất cả các giá trị của các phần tử của tập
S
bằng:
7.
6.
5.
9.
Lời giải
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Câu 50
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời
giải chi tiết lh zalo: 083433213
8
GV:
Tr
n Đ
ình Cư
0
834332133
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
1
GV:
Tr
n Đình Cư
0834332133
Câu 1:
Cắt hình nón đỉnh
I
bởi một mặt phẳng đi qua trục hình nón ta được một tam giác vuông cân
cạnh huyền bằng
2a
;
BC
dây cung của đường tròn đáy hình nón sao cho mặt phẳng
IBC
tạo với mặt phẳng đáy hình nón một góc
0
60
. Tính theo
a
diện tích
S
của tam giác
IBC
.
2
2
6
a
S
.
2
3
a
S
.
2
2
3
a
S
.
2
2
3
a
S
.
Lời giải
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Câu 2:
Trên tập hợp số phức, xét phương trình
2 2
3 0z a z a a
(
a
là tham số thực). Có bao nhiêu
giá trị nguyên của
a
để phương trình có hai nghiệm phức
1 2
,z z thoả mãn
1 2 1 2
z z z z
?
2
.
3
.
4
.
1
.
Lời giải
........................................................................................................................................................................................
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023
ĐỀ 06
Thời gian làm bài: 90 phút, không kể thời gian phát đề
CHINH PHỤC ĐIỂM 8-9-10
Câu 41
Câu 42
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
2
GV:
Tr
n Đình Cư
0834332133
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Câu 3:
Trong không gian
Oxyz
, đường thẳng đi qua điểm
1;2;2M
, song song với mặt phẳng
: 3 0P x y z
đồng thời cắt đường thẳng
1 2 3
:
1 1 1
x y z
d
có phương trình là
1
2
3
x t
y t
z
.
1
2
3
x t
y t
z
1
2
2
x t
y t
z
1
2
3
x t
y t
z t
Lời giải
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Câu 43
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
3
GV:
Tr
n Đình Cư
0834332133
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Câu 4:
Cho hàm số
f x
2 2
f
2
2
1, 0;
sin
f x x
x
. Khi đó
2
6
df x x
bằng
2
2ln 2.
9
2
1
2ln .
9 2
2
5
2ln 2.
36
2
1
ln .
9 2
Lời giải
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Câu 44
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
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GV:
Tr
n Đình Cư
0834332133
Câu 5:
Cho hàm số bậc ba
y f x
có đồ thị là đường cong trong hình sau:
Số nghiệm thực phân biệt của phương trình
2. 2 1 0f f x
7
.
10
.
8
.
9
.
Lời giải
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Câu 6:
Cho hai hàm số
4 3 2
2f x ax bx cx x
3 2
2g x mx nx x
với
, , , ,a b c m n
. Biết hàm số
y f x g x
ba điểm cực trị
2, 1,3
. Diện tích hình phẳng giới hạn bởi hai đường
y f x
g x
bằng
4
-2
3
2
1
O
x
y
Câu 45
Câu 46
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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GV:
Tr
n Đình Cư
0834332133
131
.
4
131
.
6
125
.
12
125
.
6
Lời giải
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Câu 7:
Giả sử
;x y
cặp số nguyên thỏa mãn đồng thời
8 2022x
1
2
2 log 2 2
y y
x x y
.
Tổng các giá trị của
y
bằng
60.
63.
2022.
49.
Lời giải
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Câu 47
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
6
GV:
Tr
n Đình Cư
0834332133
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Câu 8:
Gọi
S
tập họp các số phức
z
thỏa mãn
| 1 2 | 9z i
| 2 | | |z mi z m i
, (trong đó
)m
. Gọi
1 2
,z z là hai số phức thuộc
S
sao cho
1 2
z z
lớn nhất, khi đó giá trị của
1 2
z z
bằng
2 5 .
6
. 5 .
18
.
Lời giải
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Câu 9:
Trong không gian
Oxyz
, cho các điểm
0;0; 2A
3; 4;1B
. Gọi
P
là mặt phẳng chứa đường
tròn giao tuyến của hai mặt cầu
2 2 2
1
: 1 2 1 16
S x y z
với
2 2 2
2
: 2 4 10 0S x y z x y
.
M
,
N
hai điểm thuộc
P
sao cho
1MN
. Giá trị nhỏ nhất
của
AM BN
Câu 48
Câu 49
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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7
GV:
Tr
n Đình Cư
0834332133
34 1 . 34 .
5
.
4
Lời giải
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Câu 10:
Cho hàm số
3 2 2
1 1 2
2 3 3
3 2 3
f x x m x m m x
. Có bao nhiêu giá trị nguyên của tham
số
m
thuộc
9;9
để hàm số nghịch biến trên khoảng
1; 2
?
3. 2. 16. 9.
Lời giải
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Câu 50
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời
giải chi tiết lh zalo: 083433213
8
GV:
Tr
n Đ
ình Cư
0
834332133
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HẾT
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
1
GV:
Tr
n Đình Cư
0834332133
Câu 1:
Có bao nhiêu số phức
,z x yi x y
thỏa mãn
. 4z z
.
Vô số.
5
.
9
.
13
.
Lời giải
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Câu 2:
Cho hàm số
f x
thỏa mãn
e ,
x
f x f x x
0 2f
. Họ nguyên hàm của hàm số
2
.
x
f x e
x
xe x C
.
1
x
x e C
.
x
xe x C
.
1
x
x e C
.
Lời giải
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HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023
ĐỀ 07
Thời gian làm bài: 90 phút, không kể thời gian phát đề
CHINH PHỤC ĐIỂM 8-9-10
Câu 41
Câu 42
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GV:
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Câu 3:
Cho tứ diện
ABCD
1AB
,
2AC
,
3AD
60BAC CAD DAB
. Tính thể tích
V
của
khối tứ diện
V
.
2
6
V
.
2
12
V
.
3
4
V
.
2
2
V
.
Lời giải
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Câu 43
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
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GV:
Tr
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0834332133
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Câu 4:
Trong không gian
Oxyz
, cho hai điểm
3;1; 3A
,
0; 2;3B
mặt cầu
2 2
2
: 1 3 1.
S x y z
Xét điểm
M
thay đổi thuộc mặt cầu
S
, giá trị lớn nhất của
2 2
2MA MB bằng
84
.
52
.
102
.
78
.
Lời giải
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Câu 5:
Trong không gian
Oxyz
, cho đường thẳng
1 2
:
1 2 1
x y z
d
. Đường thẳng
d
đối xứng với
d
qua mặt phẳng
Oyz
có phương trình là
1 2
1 2 1
x y z
.
1 2 1
x y z
.
1 2
1 2 1
x y z
.
1 2
1 2 1
x y z
.
Lời giải
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Câu 44
Câu 45
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
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GV:
Tr
n Đình Cư
0834332133
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Câu 6:
Tính tổng tất cả các nghiệm nguyên của bất phương trình
2 2
2 2
log 3 log 4 1 0x x x x
.
4
6
5
3
Lời giải
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Câu 46
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
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Câu 7:
Cho hình nón đường cao
5h a
bán kính đáy
12r a
. Gọi
mặt phẳng đi qua đỉnh
của hình nón và cắt đường tròn đáy theo dây cung độ dài
10a
. Tính diện tích thiết diện tạo bởi
mặt phẳng
và hình nón đã cho.
2
69a
.
2
120a
.
2
60a
.
2
119
2
a
.
Lời giải
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Câu 8:
Gọi M là điểm biểu diễn số phức
2
1
2 2z x x x i ( với
a
)
N
điểm biểu diễn số
phức
2
z
biết
2 2
2 6
z i z i
. Tìm khoảng cách ngắn nhất giữa hai điểm ,M N .
2 5
.
5
.
6 5
5
.
1
.
Lời giải
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Câu 47
Câu 48
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
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GV:
Tr
n Đình Cư
0834332133
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Câu 9:
bao nhiêu giá trị nguyên của tham số m để bất phương trình
2 2
5 5
1 log 1 log . 4x m x x m
nghiệm đúng với mọi
x
.
1
2
0
Vô số
Lời giải
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Câu 49
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời
giải chi tiết lh zalo: 083433213
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GV:
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0
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Câu 10:
Gọi
S
số giá trị
m
nguyên thuộc khoảng
2
0;20
để đồ thị hàm số
4
3 2 2
(
) 2 4( 4) 3 48y f x x m x m x
đồng biến trên khoảng
0;2
. Phát biểu nào sau đây đúng?
S
chia hết cho
4
.
S
chia cho
4 dư 1.
S
chia cho 4 dư 2.
S
chia cho 4 dư 3.
Lời giải
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HẾT
Câu 50
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
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Câu 1:
Cho hình chóp tgiác đều S.ABCDcạnh đáy bằng 2a. Mặt phẳng qua AB trung điểm M của
SC cắt hình chóp theo thiết diện chu vi bằng 7a. Thể tích của khối nón ngoại tiếp khối chóp đều
S.ABCD bằng:
3
2 3
3
a
3
2 6
3
a
3
2 6
9
a
3
6
3
a
Lời giải
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Câu 2:
Cho bất phương trình
1
4 1 2 0
x x
m m
. Tập hợp các giá trị thực của tham số
m
để bất
phương trình nghiệm đúng với mọi
0x
1;16
.
; 1
.
;0
.
;12
.
Lời giải
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HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023
ĐỀ 08
Thời gian làm bài: 90 phút, không kể thời gian phát đề
CHINH PHỤC ĐIỂM 8-9-10
Câu 41
Câu 42
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
2
GV:
Tr
n Đình Cư
0834332133
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Câu 3:
Cho tứ diện
OABC
có ba cạnh
, ,OA OB OC
đôi một vuông góc với nhau
2
,
2
a
OA OB OC a
. Gọi
H
hình chiếu vuông góc của
O
lên mặt phẳng
ABC
. Thể tích khối tứ diện
OABH
bằng
3
2
12
a
.
3
2
24
a
.
3
2
48
a
.
3
6
2
a
.
Lời giải
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Câu 43
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
3
GV:
Tr
n Đình Cư
0834332133
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Câu 4:
Gọi
z
một nghiệm của phương trình
2
1 0z z
. Giá trị của biểu thức
2019 2018
2019 2018
1 1
5M z z
z z
bằng
5
.
2
.
7
.
1
.
Lời giải
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Câu 5:
Cho hàm số
y f x
đồ thị như hình vẽ diện tích hai phần
,A B
lần lượt bằng
11
2
.
Giá trị của
0
1
3 1 dI f x x
bằng
Câu 44
Câu 45
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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1
x
y
O
2
y f x
A
B
9
13
3
13
3
Lời giải
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Câu 6:
Xét hai số phức
1
z
,
2
z
thỏa mãn
1 2
2z z
1 2
2 3 2 7z z
. Giá trị lớn nhất của
1 2
2 2 3z z i
bằng:
13 12
.
12 6
.
13 12
.
12 3
.
Lời giải
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Câu 46
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
5
GV:
Tr
n Đình Cư
0834332133
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Câu 7:
Trong không gian
Oxyz
, cho mặt cầu
2 2 2
: 1S x y z
. Gọi
M
là điểm nằm trên mặt phẳng
: 2 2 6 0P x y z
. Từ điểm
M
kẻ ba tiếp tuyến
, ,MA MB MC
đến mặt cầu
S
, trong đó
, ,A B C
các tiếp điểm. Khi
M
di động trên mặt phẳng
P
. Tìm giá trị nhỏ nhất của bán kính
đường tròn ngoại tiếp tam giác
ABC
.
3
4
.
3
4
.
1
2
.
3
2
.
Lời giải
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Câu 47
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
6
GV:
Tr
n Đình Cư
0834332133
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Câu 8:
Cho hàm số
f x
đạo hàm
4 5 3
1 3f x x x m x
với mọi
x
. bao nhiêu số
nguyên
m
thuộc đoạn
5;5
để hàm số
g x f x
có 3 điểm cực trị.
6
3
4
5
Lời giải
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Câu 9:
Phương trình
3
2 3 3 2 2 1
2 6 9 2 2 1
x m x x x
x x x m
3 nghiệm phân biệt khi chỉ khi
;m a b
. Đặt
2 2
T b a
thì:
48T
64T
72T
36T
Lời giải
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Câu 48
Câu 49
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
7
GV:
Tr
n Đình Cư
0834332133
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Câu 10:
Cho hàm số
4 2
2 1f x x x
. bao nhiêu giá trị nguyên dương của tham số
m
để hàm số
2
3g x f x m m
đồng biến trên
5 ; +
?
2. 3. Vô số. 5.
Lời giải
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Câu 50
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời
giải chi tiết lh zalo: 083433213
8
GV:
Tr
n Đ
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0
834332133
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HẾT
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
1
GV:
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Câu 1:
Có bao nhiêu số nguyên
m
để hàm s
4 2
( 3) (2 ) 1y m x m x m
chỉ có một điểm cực trị và
là điểm cực tiểu?
2
.
1
.
3
.
0
.
Lời giải
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Câu 2:
Trong không gian với hệ tọa độ
Oxyz
, cho hai điểm
1;2;1 , 3;4;0A B
, mặt phẳng
: 46 0P ax by cz
. Biết rằng khoảng cách từ
,A B
đến mặt phẳng
P
lần lượt bằng
6
3
. Giá trị của biểu thức
T a b c
bằng
3
.
6
.
3
.
6
.
Lời giải
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HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023
ĐỀ 09
Thời gian làm bài: 90 phút, không kể thời gian phát đề
CHINH PHỤC ĐIỂM 8-9-10
Câu 41
Câu 42
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
2
GV:
Tr
n Đình Cư
0834332133
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Câu 3:
Cho số phức
z
thỏa mãn
z z
1
có phần thực bằng
1
8
. Mô dun của
z
bằng:
8
.
16
.
4
.
2 2
.
Lời giải
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Câu 43
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
3
GV:
Tr
n Đình Cư
0834332133
Câu 4:
Cho khối lăng trụ đứng
.ABC A B C
60BAC ,
3AB a
4AC a
. Gọi
M
là trung điểm
của
B C
, biết khoảng cách từ
M
đến mặt phẳng
B AC
bằng
3 15
10
a
. Thể tích khối lăng trụ đã
cho bằng
3
27a
.
3
9a
.
3
4a
.
3
a
.
Lời giải
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Câu 5:
Trong không gian
Oxyz
cho hai đường thẳng
1 2
1 1
: ; : .
2 1 1 2 2 1
x y z x y z
d d
Phương trình
của đường thẳng song song với
1
,d
cắt
2
d
và cắt trục
Oz
1
2 1 1
x y z
.
2 1 1
x y z
.
1
2 1 1
x y z
.
1
2 1 1
x y z
.
Lời giải
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Câu 44
Câu 45
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
4
GV:
Tr
n Đình Cư
0834332133
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Câu 6:
Trên tập hợp các số phức, xét phương trình
2
2 7 6 0z mz m
, với
m
là tham số thực. Có bao
nhiêu giá trị nguyên của
m
để phương trình đã cho có hai nghiệm phân biệt
1
z
,
2
z
thỏa mãn
1 2
z z
?
4
.
5
.
6
.
3
.
Lời giải
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Câu 46
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
5
GV:
Tr
n Đình Cư
0834332133
Câu 7:
Cho hàm số
y f x
có đạo hàm trên
, đồ thị hàm s
y f x
như hình vẽ. Biết diện tích
hình phẳng phần sọc kẻ bằng
3
. Tính giá trị của biểu thức:
2 3 4
1 2 3
1 dx 1 dx 2 8 dx
T f x f x f x
9
2
T
.
6T
.
0T
.
3
2
T
.
Lời giải
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Câu 8:
Có bao nhiêu số nguyên
x
sao cho ứng với mỗi
x
có không quá
728
số nguyên
y
thỏa mãn
2
4 3
log logx y x y
?
115
.
58
.
59
.
116
.
Lời giải
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Câu 47
Câu 48
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
6
GV:
Tr
n Đình Cư
0834332133
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Câu 9:
Thiết diện qua trục của một hình nón là một tam giác vuông cân có cạnh huyền bằng
2a
.
Một thiết diện qua đỉnh tạo với đáy một góc
60
. Diện tích của thiết diện này bằng
2
2
3
a
.
2
2
2
a
.
2
2a
.
2
2
4
a
.
Lời giải
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Câu 49
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời
giải chi tiết lh zalo: 083433213
7
GV:
Tr
n Đ
ình Cư
0
834332133
........
................................................................................................................................................................................
Câu 10:
Cho hàm số
3
2 2
1 1 2
2 3 3
3 2 3
f x x m x m m x
. Có bao nhiêu giá trị nguyên của tham
số
m
thuộc
9;9
để hàm số nghịch biến trên khoảng
1; 2
?
3. 2. 16. 9.
Lời giải
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HẾT
Câu 50
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
1
GV:
Tr
n Đình Cư
0834332133
Câu 1:
Có bao nhiêu số nguyên
x
thỏa mãn
2 3
5 5
log log 2 6561 3 0
x
x x
8
.
5
.
6
.
7
.
Lời giải
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Câu 2:
Cho hình nón có thiết diện qua đỉnh
S
là tam giác đều có cạnh bằng
16
và tạo với mặt đáy mt
góc
0
60
. Thể tích của khối nón đó bằng:
16 7
.
448
.
1344
. 192 7
.
Lời giải
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HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023
ĐỀ 10
Thời gian làm bài: 90 phút, không kể thời gian phát đề
CHINH PHỤC ĐIỂM 8-9-10
Câu 41
Câu 42
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
2
GV:
Tr
n Đình Cư
0834332133
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Câu 3:
Trong không gian
Oxyz
, cho điểm
4; 2;3M
đường thẳng
1 3 2
:
1 1 1
x y z
d
. Đường
thẳng
đi qua điểm
M
, cắt trục
Oy
và vuông góc với đường thẳng
d
có phương trình là
4 4
2
3 3
x t
y t
z t
4 4
2
3 3
x t
y t
z t
4 4
2
3 3
x t
y t
z t
4 4
2
3 3
x t
y t
z t
Lời giải
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Câu 43
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
3
GV:
Tr
n Đình Cư
0834332133
........................................................................................................................................................................................
........................................................................................................................................................................................
Câu 4:
Cho hàm số
3 2
, , ,y f x ax bx cx d a b c d
có đồ thị như hình vẽ bên dưới.
Số nghiệm thực phân biệt của phương trình
3 0f f x
6
.
3
.
5
.
4
.
Lời giải
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Câu 44
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
4
GV:
Tr
n Đình Cư
0834332133
Câu 5:
Trong không gian
Oxyz
, cho mặt cầu
S
phương trình
2 2 2
2 4 2 4 0x y z x y z
đường thẳng
2
:
2 1 4
x y z
d
. Hai mặt phẳng
,P Q
chứa đường thẳng
d
và tiếp xúc với mặt
cầu
S
lần lượt tại
,M N
. Gọi
; ;H a b c
là trung điểm của
MN
. Khi đó tổng
a b c
bằng
10
3
.
10
3
.
14
3
.
14
3
.
Lời giải
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Câu 45
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
5
GV:
Tr
n Đình Cư
0834332133
Câu 6:
Cho hàm số bậc ba
3 2
1
3
y f x ax bx x c
đường thẳng
y g x
đồ thị như hình v
sau:
Biết
5AB
. Diện tích hình phẳng giới hạn bởi đồ thị
y f x
, trục hoành 2 đường thẳng
1, 2x x
bằng
5
12
13
12
17
12
19
12
Lời giải
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Câu 46
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
6
GV:
Tr
n Đình Cư
0834332133
Câu 7:
Cho số phức
, ,z a bi a b
thỏa mãn
2
4 40 1z z i i z z
1
3
2
z i
đạt giá trnhỏ
nhất. Tính
3 8S b a
19S
23S
7S
11S
Lời giải
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Câu 8:
Cho hàm số
y f x
có đạo hàm
3
4 16f x x x
0 3f
. Gọi
k
là số điểm cực tiểu của
hàm số
2
2
1g x f x
. Tính giá trị biểu thức
2
2 5T k k
.
33T
.
11T
.
20T
.
96T
.
Lời giải
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Câu 47
Câu 48
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
7
GV:
Tr
n Đình Cư
0834332133
........................................................................................................................................................................................
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Câu 9:
bao nhiêu số nguyên
2022;2022y
để bất phương trình
3
3
11
log
log
10
10
3 3
x
x
y
x
nghiệm đúng
với mọi số thực
1;9x
.
4044
.
4026
.
2022
.
2023
.
Lời giải
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Câu 10:
bao nhiêu giá trnguyên của tham số
m
số hàm số
3 2
3 10f x x x mx
đồng biến trên
khoảng
1;1
?
3
.
4
.
5
.
6
.
Câu 49
Câu 50
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời
giải chi tiết lh zalo: 083433213
8
GV:
Tr
n Đ
ình Cư
0
834332133
Lời giải
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HẾT
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
1
GV:
Tr
n Đình Cư
0834332133
Câu 1:
Cho hàm số
y f x
đạo hàm liên tục trên
0;
2
đồng thời thỏa mãn
2
2
0 0
d 3 , sin d 2
2
x
f x x x x f x
4
2
f
. Giá trị của
4
0
sin df x x x
bằng
8 5 3
3
.
8 5 2
3
.
8 5 2
3
.
8 5 3
3
.
Lời giải
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Câu 2:
Cho hai số phức
1
z
,
2
z
thỏa mãn:
1 2
2z z
1 2
4 4 3 2z i z . Gọi
M
,
m
lần lượt là giá
trị lớn nhất, giá trị nhỏ nhất của biểu thức
2
1 2P z i
, giá trị
2 2
M m
bằng
50
.
54
.
34
.
99
2
.
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023
ĐỀ 11
Thời gian làm bài: 90 phút, không kể thời gian phát đề
CHINH PHỤC ĐIỂM 8-9-10
Câu 41
Câu 42
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
2
GV:
Tr
n Đình Cư
0834332133
Lời giải
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Câu 3:
Số giá trị nguyên của tham số
m
để phương trình
2 2
2 2
1 log 10log 0m x x m
có hai nghiệm
phân biệt không nhỏ hơn
1
4
.
2
.
1
.
3
.
Lời giải
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Câu 43
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
3
GV:
Tr
n Đình Cư
0834332133
........................................................................................................................................................................................
........................................................................................................................................................................................
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Câu 4:
Trong không gian
Oxyz
, cho đường thẳng
2 1 2
:
4 4 3
x y z
d
mặt phẳng
( ) : 2 2 1 0P x y z
. Đường thẳng
song song với
( )P
đồng thời tạo với
d
góc nhất. Biết
rằng
có một véc tơ chỉ phương
( ; ;1)u m n
. Giá trị biểu thức
2 2
T m n
bằng
5T
.
2T
.
3T
.
4T
.
Lời giải
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Câu 5:
Biết phương trình
2 2
8 0 z mz m
(
m
tham số thực) hai nghiệm
1 2
,z z
. Gọi
, ,A B C
lần
lượt là điểm biểu diễn của các số phức
1 2
,z z
0
2z
. Có bao nhiêu giá trị của
m
để
ABC
đều?
1. 3. 4. 2.
Lời giải
........................................................................................................................................................................................
........................................................................................................................................................................................
Câu 44
Câu 45
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
4
GV:
Tr
n Đình Cư
0834332133
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Câu 6:
Trong không gian
Oxyz
, cho đường thẳng
2 1
:
1 1 1
x y z
mặt phẳng
: 2 2 6 0
P x y z
. Đường thẳng
d
nằm trong mặt phẳng
P
sao cho
d
cắt đồng thời
vuông góc với đường thẳng
. Khi đó đường thẳng
d
đi qua điểm nào trong các điểm sau
đây?
2;2;0
.
2; 2; 2
.
0;4;1
.
2;3;1
.
Lời giải
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Câu 46
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
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GV:
Tr
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........................................................................................................................................................................................
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Câu 7:
Cho hàm số đa thức bận bốn
y f x
có đồ thị hàm số
y f x
như hình vẽ:
Tổng các giá trị nguyên của
m
để hàm s
1 9y f x m
có đúng 3 điểm cực tiểu là
40
.
34
.
24
.
30
.
Lời giải
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Câu 47
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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GV:
Tr
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Câu 8:
bao nhiêu số nguyên dương
x
, sao cho ứng với mỗi giá trị của
x
đúng 11 số nguyên
y
thỏa mãn bất phương trình
2
2 5 1 0
y y
x x
?
55
.
34
.
130
.
88
.
Lời giải
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Câu 9:
Cho hình nón
H
đỉnh
S
đáy là hình tròn tâm
O
, bán kính
R
, chiều cao
2R
. Một mặt
phẳng đi qua đỉnh và cắt đường tròn đáy theo dây cung
AB
có độ dài bằng bán kính đáy. Tính
sin của góc tạo bởi
OA
và mặt phẳng
SAB
.
2 57
.
19
3
.
2
57
.
19
3
.
4
Lời giải
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Câu 48
Câu 49
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GV:
Tr
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0834332133
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Câu 10:
Gọi
S
là tập hợp tất cả các giá trị nguyên của
m
sao cho hàm số
4 3 2 2
2 1y x mx m x m
đồng
biến trên
1; 
. Tổng tất cả các phần tử của
S
0.
2.
1.
2.
Lời giải
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HẾT
Câu 50
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời
giải chi tiết lh zalo: 083433213
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GV:
Tr
n Đ
ình Cư
0
834332133
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Câu 1:
Tìm
m
để hàm số
4 2
2 4f x x mx
3 điểm cực trị phân biệt với hoành độ nằm trong khoảng
3;3
.
0;9
.
3;3
.
0;9
.
3;3
.
Lời giải
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Câu 2:
Cho khối hộp chữ nhật .ABCD A B C D
, 2 ,AB a AD a
diện tích tam giác C BD
bằng
2
6a (tham khảo hình vẽ)
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023
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Thời gian làm bài: 90 phút, không kể thời gian phát đề
CHINH PHỤC ĐIỂM 8-9-10
Câu 41
Câu 42
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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Thể tích của khối hộp chữ nhật đã cho bằng
3
4a
.
3
2 6a .
3
2 6
3
a
.
3
4
3
a
.
Lời giải
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Câu 3:
Cho hàm số
y f x
đạo hàm trên
thỏa mãn
1 1f
3 4 2
4 3 2 1f x x f x x x
với mọi
.x
Khi đó
4
1
. dx f x x
bằng
15I
.
1I
.
14I
.
6I
.
Lời giải
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Câu 43
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
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GV:
Tr
n Đình Cư
0834332133
........................................................................................................................................................................................
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Câu 4:
bao nhiêu số nguyên
2023;2023a
để phương trình
3
1 1
log 8 7 1
x
x a
x
2
nghiệm phân biệt?
2028
.
2016
.
2027
.
2015
.
Lời giải
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Câu 5:
Trong không gian
Oxyz
, cho hai điểm
1; 2;2A
,
3; 2;6B
. Xét hai điểm
M
,
N
thay đổi thuộc
mặt phẳng
Oxy
sao cho
16MN
. Giá trị nhỏ nhất của
AM BN
bằng.
4 13 . 4 5 . 5 3 . 2 15 .
Câu 44
Câu 45
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Bản Word lời giải chi tiết lh zalo: 083433213
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GV:
Tr
n Đình Cư
0834332133
Lời giải
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Câu 6:
Cho khối chóp
.S ABCD
có đáy là hình vuông cạnh
,a
tam giác
SAB
vuông cân tại
,S
tam giác
SCD
13
4
a
SC SD
. Thể tích khối chóp đã cho bằng
3
3 7
16
a
.
3
13
24
a
.
3
3 15
64
a
.
15
32
a
.
Lời giải
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Câu 46
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
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GV:
Tr
n Đình Cư
0834332133
........................................................................................................................................................................................
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Câu 7:
Cho hình trụ có bán kính đáy bằng
2a
. Cắt hình trụ bởi một mặt phẳng song song với trục, cách
trục một khoảng bằng
a
ta được thiết diện một hình chữ nhật diện tích bằng
2
8 3a . Thtích
khối trụ đã cho bằng
3
4 a
.
3
16 a
.
3
32 a
.
3
27 a
.
Lời giải
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Câu 8:
Giả sử
1 2
;z z
hai trong số các số phức
z
thoả mãn
6 8 .z i z
một số thực. Biết rằng
1 2
6z z
. Giá trị nhỏ nhất của biểu thức
1 2
3z z
bằng
5 21
.
20 4 21
.
5 73
.
20 2 73
.
Câu 47
Câu 48
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GV:
Tr
n Đình Cư
0834332133
Lời giải
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Câu 9:
Cho hình nón thiết diện qua đỉnh tam giác
SAB
vuông tại
S
, (
,A B
thuộc đường tròn đáy).
Biết tam giác
SAB
có bán kính đường tròn nội tiếp bằng 2 5 10 , đường cao
SO
tạo với mặt
phẳng
SAB
một góc
30
. Diện tích xung quanh của hình nón đã cho bằng
5 10 . 4 15.
5 2
. 2 5.
Lời giải
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Câu 49
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
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GV:
Tr
n Đình Cư
0834332133
........................................................................................................................................................................................
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Câu 10:
Cho hàm số
y f x
có đạo hàm liên tục trên
. Biết
7 0f
và đồ thị
f x
như hình vẽ.
Hàm số
4 2 6 2
6 2 7 4 12g x f x x x x có tối đa bao nhiêu điểm cực trị?
5
.
9
.
7
.
3
.
Lời giải
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Câu 50
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời
giải chi tiết lh zalo: 083433213
8
GV:
Tr
n Đ
ình Cư
0
834332133
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GV:
Tr
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0834332133
Câu 1:
Cho hình lăng trụ tam giác đều
.ABC A B C
cạnh đáy bằng a và cạnh bên bằng 2a. Gọi
,M N
lần
lượt là trung điểm các cạnh
,BC B C
,P Q
lần lượt là tâm các mặt
ABB A
ACC A
. Thể tích
khối tứ diện
MNPQ
bằng
3
3
12
a
.
3
3
.
8
a
3
3
24
a
.
3
3
.
48
a
Lời giải
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Câu 2:
Cho mặt cầu
S
bán kính bằng
4
, hình trụ
H
chiều cao bằng
4
hai đường tròn đáy
nằm trên
S
. Gọi
1
V là thể tích khối trụ
H
2
V là thể tích của khối cầu
S
. Tỉ số
1
2
V
V
bằng
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023
ĐỀ 13
Thời gian làm bài: 90 phút, không kể thời gian phát đề
CHINH PHỤC ĐIỂM 8-9-10
Câu 41
Câu 42
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9
16
.
3
16
.
2
3
.
1
.
3
Lời giải
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Câu 3:
bao nhiêu số nguyên
x
sao cho ứng với mỗi
x
không quá
127
số nguyên
y
thỏa mãn
2
3 2
log logx y x y
?
89
.
90
.
46
.
45
.
Lời giải
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Câu 43
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
3
GV:
Tr
n Đình Cư
0834332133
........................................................................................................................................................................................
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Câu 4:
Trong không gian với hệ tọa độ
Oxyz
, cho mặt phẳng
: 2 2 3 0P x y z
điểm
1; 2;3A
.
Gọi
; ;M a b c P
sao cho
4AM
. Tính
a b c
.
2
3
.
2
.
8
3
.
12
.
Lời giải
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Câu 5:
Gọi
S
là tập hợp tất cả các giá trị thực của tham số thực
m
sao cho giá trị lớn nhất của hàm số
3
3y x x m
trên đoạn
0;3
bằng
16
. Tổng các phần tử của
S
bằng
a
12
.
2
.
16
.
16
.
Lời giải
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Câu 44
Câu 45
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Bản Word lời giải chi tiết lh zalo: 083433213
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GV:
Tr
n Đình Cư
0834332133
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Câu 6:
Trên mặt phẳng tọa độ, cho parabol
2
:P y x
d
là đường thẳng đi qua điểm
1; 2M
. Biết
rằng diện tích hình phẳng giới hạn bởi
d
P
bằng
4
3
. Gọi
,A B
là giao điểm của
d
P
.
Độ dài đoạn thẳng
AB
thuộc khoảng nào sau đây?
9
4;
2
.
11
;6
2
.
11
5;
2
.
9
;5
2
.
Lời giải
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Câu 46
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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GV:
Tr
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Câu 7:
Giả sử
1 2
,z z
hai trong c số phức
z
thỏa mãn
6 8z i z
số thực. Biết rằng
1 2
6z z
.
Giá trị nhỏ nhất của
1 2
3z z
bằng
5 73
.
5 21
20 2 73
20 4 21
Lời giải
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Câu 8:
Cho hàm số bậc ba
y f x
có đồ thị là đường cong trong hình bên. Biết hàm số
f x
đạt cực
trị tại hai điểm
1 2
,x x thỏa mãn
2 1
2x x
1 2
( ) ( ) 0f x f x . Gọi
1
S
2
S diện tích của hai
hình phẳng được gạch trong hình bên. Tỉ số
1
2
S
S
bằng:
Câu 47
Câu 48
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3
4
.
5
8
.
3
8
.
3
5
.
Lời giải
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Câu 9:
Cho hình nón tròn xoay chiều cao
20 cmh
, bán kính đáy
25 cmr
. Một thiết diện đi
qua đỉnh của hình nón khoảng cách từ m đáy đến mặt phẳng chứa thiết diện
12 cm
.
Tính diện tích của thiết diện đó.
2
400 cmS
.
2
500 cmS
.
2
406S cm
.
2
300S cm
.
Lời giải
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Câu 49
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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GV:
Tr
n Đình Cư
0834332133
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Câu 10:
Cho hàm số
y f x
đạo hàm
2
8 9f x x x
với
x
. bao nhiêu giá trị nguyên
dương của
m
để hàm số
3
6g x f x x m có ít nhất
3
điểm cực trị?
8
.
5
.
6
.
7
.
Lời giải
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Câu 50
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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giải chi tiết lh zalo: 083433213
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GV:
Tr
n Đ
ình Cư
0
834332133
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HẾT
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
1
GV:
Tr
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0834332133
Câu 1:
Gọi tập hợp tất cả các giá tr thực của tham số để đồ thị của hàm số
có ba điểm cực trị, đồng thời ba điểm cực trị đó cùng với gốc tọa độ tạo
thành một tứ giác nội tiếp. Tìm tích các phần tử của .
2
.
1
5
.
1
5
.
2
.
Lời giải
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Câu 2:
Cắt hình nón đỉnh
I
bởi một mặt phẳng đi qua trục hình nón ta được một tam giác vuông cân có
cạnh huyền bằng
2a
;
BC
dây cung của đường tròn đáy hình nón sao cho mặt phẳng
IBC
tạo với mặt phẳng đáy hình nón một góc
0
60
. Tính theo
a
diện tích
S
của tam giác
IBC
.
S
m
C
4 2 2 4
2 5
y x m x m
O
S
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023
ĐỀ 14
Thời gian làm bài: 90 phút, không kể thời gian phát đề
CHINH PHỤC ĐIỂM 8-9-10
Câu 41
Câu 42
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2
2
6
a
S
.
2
3
a
S
.
2
2
3
a
S
.
2
2
3
a
S
.
Lời giải
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Câu 3:
Trên tập hợp số phức, xét phương trình
2 2
3 0z a z a a
(
a
tham số thực). bao
nhiêu giá trị nguyên của
a
để phương trình hai nghiệm phức
1 2
,z z thoả mãn
1 2 1 2
z z z z
?
2
.
3
.
4
.
1
.
Lời giải
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Câu 43
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
3
GV:
Tr
n Đình Cư
0834332133
........................................................................................................................................................................................
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Câu 4:
Cho hàm số
f x
2 2
f
2
2
1, 0;
sin
f x x
x
. Khi đó
2
6
df x x
bằng
2
2ln 2.
9
2
1
2ln .
9 2
2
5
2ln 2.
36
2
1
ln .
9 2
Lời giải
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Câu 5:
Cho hai hàm số
4 3 2
2f x ax bx cx x
3 2
2g x mx nx x
với
, , , ,a b c m n
. Biết hàm số
y f x g x
ba điểm cực tr
2, 1,3
. Diện tích hình phẳng giới hạn bởi hai đường
y f x
g x
bằng
Câu 44
Câu 45
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131
.
4
131
.
6
125
.
12
125
.
6
Lời giải
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Câu 6:
Trong không gian với hệ tọa độ
Oxyz
cho mặt cầu
S
phương trình
2 2 2
2 4 2 2 0x y z a b x a b c y b c z d
, tâm
I
nằm trên mặt phẳng
cố
định. Biết rằng
4 2 4a b c
. Khoảng cách từ điểm
1;2; 2D
đến mặt phẳng
bằng
9
15
.
1
314
.
1
915
.
15
23
.
Lời giải
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Câu 46
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
5
GV:
Tr
n Đình Cư
0834332133
........................................................................................................................................................................................
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Câu 7:
Giả sử
;x y
cặp snguyên thỏa mãn đồng thời
8 2022x
1
2
2 log 2 2
y y
x x y
. Tổng
các giá trị của
y
bằng
60.
63.
2022.
49.
Lời giải
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Câu 8:
Gọi
S
tập họp các số phức
z
thỏa mãn
| 1 2 | 9z i
| 2 | | |z mi z m i
, (trong đó
)m
. Gọi
1 2
,z z là hai số phức thuộc
S
sao cho
1 2
z z
lớn nhất, khi đó giá trị của
1 2
z z
bằng
2 5 .
6
.
5 .
18
.
Lời giải
Câu 47
Câu 48
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GV:
Tr
n Đình Cư
0834332133
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Câu 9:
Trong không gian
Oxyz
, cho các điểm
0;0; 2A
3; 4;1B
. Gọi
P
mặt phẳng chứa
đường tròn giao tuyến của hai mặt cầu
2 2 2
1
: 1 2 1 16S x y z
với
2 2 2
2
: 2 4 10 0S x y z x y
.
M
,
N
hai điểm thuộc
P
sao cho
1MN
. Giá trị nhỏ nhất
của
AM BN
34 1 . 34 .
5
.
4
Lời giải
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Câu 49
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
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GV:
Tr
n Đình Cư
0834332133
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Câu 10:
bao nhiêu giá trị nguyên thuộc đoạn
2019;2019
của tham số thực
m
để hàm số
3 2
3 2 3 4y x m x m m x
đồng biến trên khoảng
0; 2
?
4039
.
4037
.
2019
.
2016
.
Lời giải
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HẾT
Câu 50
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời
giải chi tiết lh zalo: 083433213
8
GV:
Tr
n Đ
ình Cư
0
834332133
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Câu 1:
Có bao nhiêu giá trị nguyên của
m
để hàm số
4 2 2
4 2y mx m x
có đúng một điểm cực đại
và không có điểm cực tiểu?
3
.
0
.
2
.
1
.
Lời giải
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Câu 2:
Cho khối lăng trụ
.
ABC A B C
3 ,AB a 4 ,AC a 5 ,BC a
khoảng cách giữa hai đường thẳng
AB
B C
bằng
2 .a
Gọi
,M
N
lần lượt trung điểm của
A B
,
A C
(tham khảo hình vẽ
dưới đây). Thể tích
V
của khối chóp
.A BCNM
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023
ĐỀ 15
Thời gian làm bài: 90 phút, không kể thời gian phát đề
CHINH PHỤC ĐIỂM 8-9-10
Câu 41
Câu 42
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3
7V a
3
8V a
3
6V a
3
4V a
Lời giải
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Câu 3:
Cho hai số phức
z
w
thỏa mãn
4, w 2z
. Khi
w 5 12z i
đạt giá trị lớn nhất, phần
thực của
z iw
bằng
30
13
.
4
13
.
44
13
.
58
13
.
Lời giải
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M
N
C
B
A'
C'
B'
A
Câu 43
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GV:
Tr
n Đình Cư
0834332133
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Câu 4:
Có bao nhiêu cặp số nguyên
;x y
thỏa mãn
0 4000x
5
5
5 25 2 log 1 4
y
y x x
?
5
.
2
.
4
.
3
.
Lời giải
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Câu 44
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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Tr
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Câu 5:
Cho khối lăng trụ
.ABC A B C
đáy
ABC
tam giác vuông cân tại
B
2AC a
. Hình chiếu
vuông góc của
A
trên mặt phẳng
ABC
trung điểm
H
của cạnh
AB
2AA a
. Tính thể
tích
V
của khối lăng trụ đã cho.
3
3V a
3
6
6
a
V
2
2 2V a
3
6
2
a
V
Lời giải
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Câu 6:
Cho hình thang ABCD vuông tại A D
2 2 6.CD AB AD
Tính thể tích V của khối tròn
xoay sinh ra bởi hình thang ABCD khi quanh xung quanh đường thẳng B
135 2
.
4
V
36 2.V
63 2
.
2
V
45 2
.
2
V
A
B
C
D
Câu 45
Câu 46
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5
GV:
Tr
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0834332133
Lời giải
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Câu 7:
Cho phương trình
2
2 2
4log log 5 7 0
x
x x m
(
m
tham số thực). tất cả bao nhiêu giá
trị nguyên dương của để phương trình đã cho có đúng hai nghiệm phân biệt?
47
49
Vô số
48
Lời giải
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m
Câu 47
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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Câu 8:
Cho hình chóp
.S ABC
4 , 3 2 ,AB a BC a
45 ; 90ABC SAC SBC
; Sin góc giữa hai mặt
phẳng
SAB
SBC
bằng
2
.
4
Bán kính mặt cầu ngoại tiếp hình chóp đã cho bằng
183
6
a
.
183
3
a
.
5 3
12
a
.
3 5
12
a
.
Lời giải
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Câu 9:
Trên tập hợp các số phức, xét phương trình
2
2 12 0z mz m
(
m
tham số thực). bao
nhiêu giá tr nguyên của
m
để phương trình đó hai nghiệm phân biệt
1
z
,
2
z
thỏa mãn
1 2 1 2
2z z z z
?
1
.
2
.
3
.
4
.
Lời giải
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Câu 48
Câu 49
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Câu 10:
tất cả bao nhiêu giá trị nguyên của tham số m để hàm số
4 3 2
3 6 3 y x mx x m
đồng
biến trên khoảng
0;
?
5
6
4
7
Lời giải
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Câu 50
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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giải chi tiết lh zalo: 083433213
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GV:
Tr
n Đ
ình Cư
0
834332133
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HẾT
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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Câu 1:
Cho hàm số
2 3mx m
y
x m
với
m
tham số. Gọi
S
tập hợp tất cả các giá trị nguyên của
m
để hàm số đồng biến trên khoảng
2; 
. Tìm số phần tử của
S
4
.
1
.
3
.
5
.
Lời giải
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Câu 2:
Trong không gian với hệ tọa độ
Oxyz
, cho mặt phẳng
P
đi qua điểm
2;3;5M
cắt các tia
, ,Ox Oy Oz
lần lượt tại ba điểm
, ,A B C
sao cho
, ,OA OB OC
theo thứ tlập thành cấp số nhân
công bội bằng
3
. Khoảng cách từ
O
đến mặt phẳng
P
bằng
16
91
.
24
91
.
32
91
.
18
91
.
Lời giải
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023
ĐỀ 16
Thời gian làm bài: 90 phút, không kể thời gian phát đề
CHINH PHỤC ĐIỂM 8-9-10
Câu 41
Câu 42
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Câu 3:
Một khối nón thể tích bằng
3
9 2a
. Tính bán kính
R
đáy khối nón khi diện tích xung quanh
nhỏ nhất.
3R a
.
6
3
2
a
R
.
3
9R a
.
3
3
2
a
R
.
Lời giải
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Câu 43
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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GV:
Tr
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........................................................................................................................................................................................
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Câu 4:
Hỏi tất cả bao nhiêu giá trị nguyên của tham số
20;20m
để hàm số
4 2 3 2 2
3 4 1 2 6 2 12 1f x x m x m m x mx
nghịch biến trên khoảng
0;1
?
2
.
20
.
19
.
21
.
Lời giải
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Câu 5:
Trong tập hợp các số phức, cho phương trình
2
2 45 2016 80 0z a z a
(
a
tham số
thực). Có tất cả bao nhiêu giá trị nguyên dương của
a
để phương trình hai nghiệm phân biệt
1 2
,z z
sao cho
1 2
z z
7
.
8
.
9
.
10
.
Lời giải
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Câu 44
Câu 45
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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GV:
Tr
n Đình Cư
0834332133
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Câu 6:
Cho hình chóp tam giác đều
.S ABC
cạnh đáy bằng 3a . Gọi
,M N
lần lượt trung điểm
của
,SB SC
. Biết mặt phẳng
AMN
vuông góc với mặt phẳng
SBC
. Tính thể tích của khối
chóp
.A BCNM
.
3
3 15
16
a
.
3
3 15
48
a
.
3
3 15
32
a
.
3
15
32
a
.
Lời giải
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Câu 46
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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Câu 7:
Cho khối đa diện (minh họa như hình vẽ bên) trong đó
.ABCD A B C D
là khối hộp chữ nhật với
2AB AD a
,
AA a
,
.S ABCD
khối chóp các cạnh bên bằng nhau 3SA a . Thể tích
khối tứ diện
SA BD
bằng
3
2
2
a
.
3
2a
.
3
2
3
a
.
3
2
6
a
.
Lời giải
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Câu 47
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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Câu 8:
Cho các số thực
,b c
sao cho phương trình
2
0z bz c
hai nghiệm phức
1 2
,z z
thỏa mãn
1
4 3 1z i
2
8 6 4z i
. Mệnh đề nào sau đây đúng?
5 12.b c
5 4.b c
5 4.b c
5 12.b c
Lời giải
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Câu 9:
bao nhiêu bộ
;x y
với
,x y
nguyên
1 , 2020x y
thỏa mãn
3 2
2 2 1
2 4 8 log 2 3 6 log
2 3
y x
xy x y x y xy
y x
?
2017
.
4034
.
2
.
2017 2020
.
Lời giải
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Câu 48
Câu 49
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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GV:
Tr
n Đình Cư
0834332133
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Câu 10:
bao nhiêu giá trị nguyên của
m
thuộc
[0;5]
để hàm số
3 2
3( 2) 3 ( 4)y x m x m m x
đồng
biến trên khoảng
(0;3)
?
5
.
3
.
4
.
6
.
Lời giải
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Câu 50
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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giải chi tiết lh zalo: 083433213
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GV:
Tr
n Đ
ình Cư
0
834332133
HẾT
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Câu 1:
Cho số phức
, ,z x yi x y
thỏa mãn 2 3 4z i z i
2 3 2 1 1z i y y i
số
thuần ảo. Giá trị của
11 11x y
bằng
16
.
28
.
16
.
28
.
Lời giải
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Câu 2:
Cho hình hình chóp
.S ABCD
đáy
ABCD
hình vuông cạnh
,a SA
vuông góc với mặt phẳng
đáy và 7SA a . Khoảng cách giãu hai đường thẳng
BD
SC
bằng
14
3
a
.
14
6
a
.
14a
.
14
12
a
.
Lời giải
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HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023
ĐỀ 17
Thời gian làm bài: 90 phút, không kể thời gian phát đề
CHINH PHỤC ĐIỂM 8-9-10
Câu 41
Câu 42
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GV:
Tr
n Đình Cư
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Câu 3:
Cho hình nón đường sinh bằng
a
góc đỉnh bằng
0
90
. Cắt hình nón đó bởi một mặt phẳng
đi qua đỉnh của hình nón tạo với mặt đáy của hình nón một góc
0
60
ta được một thiết diện
có diện tích bằng
2
2
3
a
.
2
2 2
3
a
.
2
2
6
a
.
2
6
3
a
.
Lời giải
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Câu 43
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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GV:
Tr
n Đình Cư
0834332133
........................................................................................................................................................................................
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Câu 4:
Trong không gian
Oxyz
, cho hai điểm
1;1; 1A
,
7; 2;2B
đường thẳng
1 3
: 2 2
2 2
x t
y t
z t
. Gọi
P
mặt phẳng chứa đường thẳng
, khoảng cách từ
A
đến
P
gấp đôi khoảng cách từ
B
đến
P
,A B
nằm khác phía so với
P
. Biết rằng phương trình
P
dạng
28 0.zax by c
Giá trị của
a b c
bằng
26
.
26
.
34
.
34
.
Lời giải
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Câu 5:
Bạn An được gia đình gửi vào sổ tiết kiệm 200 triệu đồng với lãi suất
0,5%
một tháng theo hình
thức lãi kép. Nếu mỗi tháng An rút ra một số tiền như nhau vào ngày ngân hàng trả lãi thì hàng
tháng An rút ra số tiền gần nhất với số nào sau đây để đúng sau 4 năm vừa hết số tiền trong sổ
tiết kiệm?
4687000
đồng.
4697000
đồng.
4690000
đồng.
4700000
đồng.
Câu 44
Câu 45
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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GV:
Tr
n Đình Cư
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Lời giải
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Câu 6:
Xét hai số phức
1 2
,z z thoả mãn
1 2
1 1, 1 2z i z i
1 2
2 2 3z z i . Giá trị lớn nhất
của
1 2
3 2 1 5z z i
bằng
6 37
.
5 23
.
6 11
.
6 13
.
Lời giải
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Câu 46
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
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GV:
Tr
n Đình Cư
0834332133
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Câu 7:
Cho phương trình
2
log 2 4
x
x m m
với
m
là tham số thực. Có bao nhiêu giá trị nguyên của
27;27 m
sao cho phương trình trên có nghiệm?
10
.
26
.
1
.
53
.
Lời giải
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Câu 8:
Xét hai số thực dương
,x y
thay đổi thỏa mãn
1
2 2
3
log 2 1 9 1
y
x y x y
. Giá trị
nhỏ nhất của biểu thức
2
2P x y bằng
5 6 3 .
11
2
.
4 6 2
.
27
5
.
Lời giải
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Câu 47
Câu 48
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
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GV:
Tr
n Đình Cư
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Câu 9:
Cho hình chóp
.S ABCD
đáy
ABCD
hình bình hành. Gọi
,M N
lần lượt thuộc các đoạn
thẳng
,AB AD
(
,M N
không trùng với
A
) sao cho
AB
x
AM
AD
y
AN
thỏa mãn
2 4x y
.
.
S AMN
S ABCD
V
V
đạt giá trị nhỏ nhất. Giá trị của
2 2
.
.
S ABD
S AMN
V
x y
V
bằng
9
.
7
.
5
.
6
.
Lời giải
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Câu 49
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
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GV:
Tr
n Đình Cư
0834332133
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Câu 10:
Cho hàm số
3 2
f x x bx cx d
có đồ thị là đường cong trong hình bên dưới.
Số nghiệm của phương trình
4 1
f f x f x
7
.
4
.
3
.
2
.
Lời giải
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-2
2
2
y
x
O
Câu 50
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời
giải chi tiết lh zalo: 083433213
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GV:
Tr
n Đ
ình Cư
0
834332133
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GV:
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Câu 1:
Gọi S tập hợp tất cả các giá trị thực của tham số
m
để hàm số
2
cos
2 sx
x m
y
co
giá trị lớn nhất
trên
;
2 3
bằng 1. Số phần tử của S là:
2
.
3
.
1
.
0
.
Lời giải
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Câu 2:
Cho hình chóp
.S ABCD
có đáy
ABCD
là hình bình hành. Gọi
,M N
là hai điểm lần lượt nằm trên
các đoạn thẳng
AB
AD
(
,M N
không trùng
A
) sao cho
2 4
AB AD
AM AN
. Gọi
V
'V
lần lượt
là thể tích của các khối chóp
.S ABCD
.S MBCDN
. Giá trị nhỏ nhất của
'V
V
bằng
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023
ĐỀ 18
Thời gian làm bài: 90 phút, không kể thời gian phát đề
CHINH PHỤC ĐIỂM 8-9-10
Câu 41
Câu 42
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1
3
.
1
2
.
3
4
.
2
3
.
Lời giải
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Câu 3:
Xét ba số phức
1 2
, ,z z z thoả mãn
1 z i z
,
1
3 5 5 z
2
4 5 2 5 z i . Giá trnhỏ
nhất của
1 2
5 5 z z z z bằng
4 5 . 10 5 . 7 5 . 2 5 .
Lời giải
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Câu 43
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
3
GV:
Tr
n Đình Cư
0834332133
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Câu 4:
Cho hình nón góc đỉnh bằng
0
120
. Một mặt phẳng qua đỉnh hình nón và cắt hình nón theo
một thiết diện một tam giác vuông diện tích bằng
6
. Thể tích của khối nón được giới hạn
bởi hình nón đã cho bằng
9 3
.
27
. 3 3
.
9
.
Lời giải
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Câu 5:
Cho hàm số
f x
thỏa mãn
2
2 1,xf x x f x
với mọi
\ 0x
1 0f
. Giá trị của
1
2
f
bằng
2
.
1
.
6
.
1
.
Câu 44
Câu 45
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Bản Word lời giải chi tiết lh zalo: 083433213
4
GV:
Tr
n Đình Cư
0834332133
Lời giải
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Câu 6:
Trong không gian
,Oxyz
cho ba điểm
;0;0 , 0; ;0 , 0;0;A a B b C c
với
, ,a b c
các số thực
dương thỏa mãn
4a b c
. Biết khi
, ,a b c
thay đổi thì tâm
I
của mặt cầu ngoại tiếp tứ diện
OABC
thuộc một mặt phẳng
P
cố định. Khoảng cách từ điểm
1; 2;3M
đến mặt phẳng
P
bằng
3
.
3
3
.
2 3
3
.
4 3
3
.
Lời giải
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Câu 46
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
5
GV:
Tr
n Đình Cư
0834332133
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Câu 7:
Cho các số thực
,a b
thỏa mãn
1
, 1
5
a b
. Giá trnhỏ nhất của
4 2
5
log log 25 625
a b
b a a bằng
2 3
. 3 .
2
.
2 2
.
Lời giải
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Câu 8:
Biết
4
2
0
tan . cos 1x f x dx
2
2
ln
2
ln
e
e
f x
dx
x x
. Khi đó
4
1
2
f x
dx
x
bằng
2
.
4
.
6
.
3
.
Câu 47
Câu 48
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GV:
Tr
n Đình Cư
0834332133
Lời giải
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Câu 9:
Xét các số
,a b
là các số nguyên dương nhỏ hơn 2022. Biết rằng với mỗi giá trị của
b
luôn có ít
nhất 1000 giá trị của
a
thỏa mãn
2
1
2 2 log 4 1
a b b a b
a
b
. Số giá trị
b
1019
.
1020
.
1021
.
1022
.
Lời giải
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Câu 49
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
7
GV:
Tr
n Đình Cư
0834332133
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Câu 10:
Cho hàm số
y f x
có đồ thị đạo hàm được cho như hình vẽ bên dưới và có
1 1f
.
Gọi
S
tập chứa tất cả các giá trị nguyên của tham số
2020;2020m
để hàm số
2
2 2 2 12y f x x mx
đồng biến trên khoảng
1;3
. Số phần tử của tập
S
tương ứng bằng
4029
.
4028
.
4027
.
4033
.
Lời giải
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Câu 50
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời
giải chi tiết lh zalo: 083433213
8
GV:
Tr
n Đ
ình Cư
0
834332133
........
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........................................................................................................................................................................................
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
1
GV:
Tr
n Đình Cư
0834332133
Câu 1:
Cho hàm số
y f x
xác định và liên tục trên
thỏa mãn
1
2
0
3 6 df x x x f x x
1
0
2 1
d
5 2
f x x
. Giá trị của
3f
bằng
6
.
6
.
18
.
18
.
Lời giải
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Câu 2:
Cho tứ diện
ABCD
, tam giác
ABC
vuông cân tại B ,
DA ABC
, M là trung điểm của cạnh
AC
,
AB a
, góc giữa đường thẳng
CD
với mặt phẳng
BDM
bằng
biết
1
sin
3
. Thể tích
khối tứ diện
ABCD
bằng
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023
ĐỀ 19
Thời gian làm bài: 90 phút, không kể thời gian phát đề
CHINH PHỤC ĐIỂM 8-9-10
Câu 41
Câu 42
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Tr
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0834332133
3
6
a
.
3
3
a
.
3
2
3
a
.
3
2
a
.
Lời giải
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Câu 3:
Trong không gian
,Oxyz
cho mặt cầu
2 2 2
: 2 3 4 2S x y z
và điểm
1; 2;3 .A
Xét
các điểm
M
thuộc
S
sao cho đường thẳng
AM
tiếp xúc với
,S
M
luôn thuộc mặt phẳng
có phương trình là
2 2 2 15 0x y z
.
2 2 2 15 0x y z
.
7 0x y z
.
7 0x y z
Lời giải
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Câu 43
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
3
GV:
Tr
n Đình Cư
0834332133
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Câu 4:
Cho hình vuông
ABCD
quay quanh cạnh
AD
một góc
45
, tạo thành khối
T
như hình vẽ,
biết
1AB
. Mặt phẳng
BCNM
chia khối
T
thành hai khối có thể tích tương ứng
1 2
,V V
.
Giá trị
1 2
min ;V V
bằng
2
8
.
2 2
12
.
2 2
8
.
2 1
12
.
Lời giải
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M
B
D
C
N
A
Câu 44
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
4
GV:
Tr
n Đình Cư
0834332133
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Câu 5:
Cho hàm số
y f x
, đồ thị
'y f x
là đường cong trong hình dưới. Giá trị lớn nhất của hàm
số
2
2 4 6 2g x f x x x
trên đoạn
1;1
.
4 30f
.
2 12f
.
1
f
.
2 12
f
.
Lời giải
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Câu 45
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
5
GV:
Tr
n Đình Cư
0834332133
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Câu 6:
Cho hàm số
y f x
có bảng biến thiên như hình vẽ
Giá trị
1
3
2
1 0
' 1
' 2
2
f x
I f x dx dx
bằng
3
.
2021
.
10
.
5
.
Lời giải
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Câu 46
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
6
GV:
Tr
n Đình Cư
0834332133
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Câu 7:
Có bao nhiêu số nguyên dương
y
sao cho ứng với mỗi
y
có không quá
10000
số nguyên
x
thỏa mãn
3 5
log 1 3 log 0x x x y
?
5
.
2
.
3
.
4
.
Lời giải
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Câu 8:
Cho
1 2
, z z
thỏa mãn
1 2
2 1 1 z i z i
1 2
2 3 z z i
. Giá trị nhỏ nhất của
1 2
2 1 z z a b c
với
, , , 20 a b c c
. Giá trị
a b c
bằng
10. 11. 7. 12.
Lời giải
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Câu 47
Câu 48
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
7
GV:
Tr
n Đình Cư
0834332133
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Câu 9:
Trong không gian Oxyz. Cho phương trình mặt cầu
2 2
2
: 1 1 4; S x y z
2
2 2
' : 1 1S x y z
và đường thẳng
1
: 8
3
x
y t
z t
mặt phẳng
tiếp xúc với hai mặt cầu
S
'S
. Gọi
;M N
sao cho
MI
luôn tiếp xúc với mặt cầu
'S
, với
2;0;1M
.
Độ dài đoạn thẳng MN nhỏ nhất bằng
2a b
với
,a b N
. Giá trị
a b
bằng
9
.
8
.
7
.
6
.
Lời giải
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Câu 49
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
8
GV:
Tr
n Đình Cư
0834332133
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Câu 10:
Cho hàm số
y f x
liên tục trên
và có bảng biến thiên như sau:
Phương trình
4 2
1
8 8 1
2
f x x
có tất cả bao nhiêu nghiệm thực phân biệt?
8
.
12
.
6
.
10
.
Lời giải
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Câu 50
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời
giải chi tiết lh zalo: 083433213
9
GV:
Tr
n Đ
ình Cư
0
834332133
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
1
GV:
Tr
n Đình Cư
0834332133
Câu 1:
Cho số phức
,z x yi x y
thỏa mãn
2 3 5z i
5 4
1.
2 3
z i
z i
Gọi
,M m
lần lượt là giá
trị lớn nhất, giá trị nhỏ nhất của biểu thức
2 2
10 6 .P x y x y
Giá trị
M m
bằng:
32
.
28
.
32
.
28
.
Lời giải
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Câu 2:
Một téc nước hình trụ đang chứa nước được đặt nằm ngang, có chiều dài
3 m
và đường kính
đáy
1 .m
Hiện tại mặt nước trong téc cách phía trên đỉnh của téc nước là
0, 25 m
(xem hình vẽ).
Tính thể tích của nước trong téc (kết quả làm tròn đến hàng phần nghìn)?
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023
ĐỀ 20
Thời gian làm bài: 90 phút, không kể thời gian phát đề
CHINH PHỤC ĐIỂM 8-9-10
Câu 41
Câu 42
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
2
GV:
Tr
n Đình Cư
0834332133
3
1,896 m
.
3
1,895m
.
3
1,167m
.
3
1,768m
.
Lời giải
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Câu 3:
Trong không gian với hệ tọa độ
Oxyz
, cho đường thẳng
1 1
:
1 2 1
x y z
và mặt phẳng
: 2 2 1 0x y z
. Biết mặt phẳng
P
chứa
và tạo với
một góc nhỏ nhất có
phương trình dạng
7 0x by cx d
. Giá trị
b c d
là:
23
.
3
.
5
.
3
.
Lời giải
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Câu 43
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
3
GV:
Tr
n Đình Cư
0834332133
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Câu 4:
Cho hàm số
3 2
f x x ax bx c
có đồ thị
C
. Biết rằng tiếp tuyến
d
của
C
tại điểm
A
hoành độ bằng
1
cắt
C
tại điểm
B
có hoành độ bằng
2
(xem hình vẽ). Diện tích hình phẳng
giới hạn bởi
d
C
(phần gạch chéo) bằng
m
n
(với
,m n
nguyên dương và phân số
m
n
tối
giản). Giá trị
m n
bằng:
29
.
15
.
31
.
13
.
Lời giải
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Câu 44
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
4
GV:
Tr
n Đình Cư
0834332133
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Câu 5:
Có bao nhiêu số thực
m
để phương trình
2
2
1
3
3
4 log 2 3 2 log 2 2
x m
x x
x x x m
3
nghiệm thực phân biệt:
vô số.
3
.
2
.
4
.
Lời giải
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Câu 6:
Có bao nhiêu số phức
z
thỏa mãn
2 2z i z z i
2 z i z
là số thực:
4
1
3
2
Lời giải
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Câu 45
Câu 46
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
5
GV:
Tr
n Đình Cư
0834332133
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Câu 7:
Biết tích phân
2
6
0
sin d 1
ln 3 3
16
sin 3 cos
x x
a b c
x x
, với
, ,a b c
là các số nguyên. Giá trị
a b c
bằng
1
.
4
.
3
.
11
.
Lời giải
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Câu 47
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
6
GV:
Tr
n Đình Cư
0834332133
Câu 8:
Trong không gian với hệ tọa độ
Oxyz
, cho mặt phẳng
: 2 2 5 0P x y z
. Viết phương trình
mặt phẳng
Q
song song với mặt phẳng
P
, cách
P
một khoảng bằng 3 cắt trục
Ox
tại điểm
có hoành độ dương.
: 2 2 4 0Q x y z
.
: 2 2 14 0Q x y z
.
: 2 2 19 0Q x y z
.
: 2 2 8 0Q x y z
.
Lời giải
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Câu 9:
Trong không gian với hệ tọa độ
Oxyz
, cho điểm
3;0;4M
và mặt cầu
S
:
2 2 2
1 2 4 9x y z
. Qua điểm
M
vẽ ba tia
Mu
;
Mv
;
Mw
đôi một vuông góc với
nhau và cắt mặt cầu
S
lần lượt tại các điểm
A
;
B
;
C
. Gọi
E
là đỉnh đối diện với đỉnh
M
của hình hộp chữ nhật có ba cạnh
MA
;
MB
;
MC
. Biết điểm
E
luôn thuộc một mặt cầu cố
định khi ba tia
Mu
;
Mv
;
Mw
thay đổi thỏa mãn đề bài. Tính bán kính mặt cầu đó:
2 3
.
4 2
.
13
.
11
.
Lời giải
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Câu 8
Câu 49
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời giải chi tiết lh zalo: 083433213
7
GV:
Tr
n Đình Cư
0834332133
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Câu 10:
Cho hàm số
f x
có đạo hàm trên
1 1f
. Đồ thị hàm s
y f x
như hình bên. Có bao
nhiêu số nguyên dương
a
để hàm số
4 sin cos 2y f x x a
nghịch biến trên
0;
2
?
2
.
3
. Vô số.
5
.
Lời giải
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Câu 50
CHINH PHỤC 8+, 9+ VÀ 10 Web:Toanthaycu.com
Bản Word lời
giải chi tiết lh zalo: 083433213
8
GV:
Tr
n Đ
ình Cư
0
834332133
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LỚP TOÁN THẦY CƯ-TP HUẾ NEW
TĂNG TỐC VỀ ĐÍCH CHÚNG TÔI SẼ CHIẾN THẮNG
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CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com CHINH PHỤ C ĐIỂM 8-9-10
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023 ĐỀ 01
Thời gian làm bài: 90 phút, không kể thời gian phát đề Câu 41 Câu 1:
Có bao nhiêu số nguyên x thỏa mãn  2 3 log  log  2 6561 3x x x  0 là 5 5  8 . Ⓑ 5 . Ⓒ 6 . Ⓓ 7 .  Lời giải
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.................................................................................................................................................................................... GV:
.................................................................................................................................................................................... Tr ần
.................................................................................................................................................................................... Đ ìn h
.................................................................................................................................................................................... C ư –
.................................................................................................................................................................................... 08 3 43
.................................................................................................................................................................................... 3213
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.................................................................................................................................................................................... Câu 42 Câu 2:
Cho hình nón có thiết diện qua đỉnh S là tam giác đều có cạnh bằng 16 và tạo với mặt đáy một góc 0
60 . Thể tích của khối nón đó bằng: 16 7 . Ⓑ 448 . Ⓒ 1344 . Ⓓ 192 7 .  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 1
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 43 Câu 3: x 1 y  3 z  2 M 4  ; 2  ;3 GV:
Trong không gian Oxyz , cho điểm 
 và đường thẳng d :   . Đường 1 1 1 Tr
thẳng  đi qua điểm M , cắt trục Oy và vuông góc với đường thẳng d có phương trình là ần Đ
x  4  4t
x  4  4t
x  4  4t
x  4  4t ìn     h
y  2  t
y  2  t
y  2  t
y  2  t  C ư    
z  3  3t z  3  3t
z  3  3t z  3  3t –     08  Lời giải 3 43
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Bản Word lời giải chi tiết lh zalo: 083433213 2
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
........................................................................................................................................................................................
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........................................................................................................................................................................................ Câu 44 Câu 4:
Cho hàm số y f x 3 2
ax bx cx d a, ,
b c, d   có đồ thị như hình vẽ bên dưới.
Số nghiệm thực phân biệt của phương trình f  f x  3  0 là 6 . 3 . 5 . 4 .  Lời giải
.................................................................................................................................................................................... GV: Tr
.................................................................................................................................................................................... ần
.................................................................................................................................................................................... Đ ìn h
.................................................................................................................................................................................... C ư –
.................................................................................................................................................................................... 08 3 43
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Bản Word lời giải chi tiết lh zalo: 083433213 3
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com Câu 45 Câu 5:
Trong không gian Oxyz , cho mặt cầu S  có phương trình 2 2 2
x y z  2x  4 y  2z  4  0 và x  2 y z đường thẳng d :  
. Hai mặt phẳng  P,Q chứa đường thẳng d và tiếp xúc với mặt 2 1 4
cầu  S  lần lượt tại M , N . Gọi H  ; a ;
b c là trung điểm của MN . Khi đó tổng a b c bằng 10 10 14 14  . Ⓑ . Ⓒ . Ⓓ  . 3 3 3 3  Lời giải
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.................................................................................................................................................................................... ần Đ
.................................................................................................................................................................................... ìn h C
.................................................................................................................................................................................... ư – 08
.................................................................................................................................................................................... 3 43
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.................................................................................................................................................................................... Câu 46 Câu 6: 1
Cho hàm số bậc ba y f x 3 2
ax bx
x c và đường thẳng y g x có đồ thị như hình vẽ 3 sau:
Bản Word lời giải chi tiết lh zalo: 083433213 4
CHINH PHỤC 8+, 9+ VÀ 10
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Biết AB  5 . Diện tích hình phẳng giới hạn bởi đồ thị y f x , trục hoành và 2 đường thẳng
x  1, x  2 bằng 5 13 17 19  12 12 12 12  Lời giải
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.................................................................................................................................................................................... Tr ần
.................................................................................................................................................................................... Đình
.................................................................................................................................................................................... C ư –
.................................................................................................................................................................................... 08 3
.................................................................................................................................................................................... 43 3213 Câu 47 3 Câu 7: 1
Cho số phức z a bi, a,b   thỏa mãn  z z  
i i z z  2 4 40 1 và z
 3i đạt giá trị 2
nhỏ nhất. Tính S  3b  8a
S  19
S  23
S  7  S  11  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 5
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 48 Câu 8:
Cho hàm số y f x có đạo hàm f  x 3
 4x 16x f 0  3 . Gọi k là số điểm cực tiểu của
hàm số g x   f x  2 2  1  
. Tính giá trị biểu thức 2
T  2k k  5 .
T  33 .
T  11 .
T  20 .
T  96 .  Lời giải GV:
.................................................................................................................................................................................... Tr ần
.................................................................................................................................................................................... Đình
.................................................................................................................................................................................... C ư
.................................................................................................................................................................................... – 08 3
.................................................................................................................................................................................... 43 3213
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Bản Word lời giải chi tiết lh zalo: 083433213 6
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com Câu 49 Câu 9: 11 log3 x log  3 x y
Có bao nhiêu số nguyên y  2
 022; 2022 để bất phương trình  x 10 10 3  3 có nghiệm đúng
với mọi số thực x  1;9 . 4044 . Ⓑ 4026 . Ⓒ 2022. Ⓓ 2023.  Lời giải
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.................................................................................................................................................................................... Tr ầ
.................................................................................................................................................................................... n Đìn
.................................................................................................................................................................................... h C ư
.................................................................................................................................................................................... – 08
.................................................................................................................................................................................... 3 43 3213
.................................................................................................................................................................................... 3 Câu 50 Câu 10:
Có bao nhiêu giá trị nguyên của tham số m số hàm số f x 3 2
x  3x mx 10 đồng biến trên khoảng  1  ;  1 ? 3 . 4 . 5 . 6 . Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 7
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ HẾT GV: Tr ần Đình Cư – 08 3 43 3213 3
Bản Word lời giải chi tiết lh zalo: 083433213 8
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
CHINH PHỤC ĐIỂM 8-9-10
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023 ĐỀ 02
Thời gian làm bài: 90 phút, không kể thời gian phát đề Câu 41 Câu 1:
Cho số phức z thỏa mãn 2  iz  2  iz  2i . Giá trị nhỏ nhất của z bằng: 5 2 5 1. . . 2 . 5 5  Lời giải
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.................................................................................................................................................................................... Tr ầ
.................................................................................................................................................................................... n Đ ình
.................................................................................................................................................................................... Cư
.................................................................................................................................................................................... – 08
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.................................................................................................................................................................................... Câu 42 Câu 2:
Cho hình trụ có tâm hai đường tròn đáy lần lượt là O O ' , bán kính đáy hình trụ bằng a .
Trên đường tròn đáy O và O' lần lượt lấy hai điểm ,
A B sao cho AB tạo với trục của hình trụ a 3 một góc 0
30 và có khoảng cách đến trục của hình trụ bằng
. Tính thể tíc khối chóp .
O O ' AB 2 3 2 a 3 a 3 3a 3 3a . . . . 3 4 4 4  Lời giải
Bản Word lời giải chi tiết lh zalo: 083433213 1
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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.................................................................................................................................................................................... Tr ầ Câu 43 n Đ Câu 3: ình
Có bao nhiêu cặp số nguyên  ;
x y  thỏa mãn 0  x  2023 và 1  y  2023 và Cư x 1  y4 – 4  log y  3  2  log 2x 1 . 2   2   083433 2022. 1011. 4039 . 4037 .  Lời giải 2133
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Bản Word lời giải chi tiết lh zalo: 083433213 2
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 44 Câu 4:
Cho hàm số y f x có đạo hàm liên tục trên  và thỏa mãn
      2 ex f x f x x , x    ;  1  f  0  
. Diện tích hình phẳng giới hạn bởi các đường y  2 f x ; y f  x và trục tung bằng  2  2e e  5 e e  5 . 3 e . 2 3 e . . 2 2  Lời giải
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.................................................................................................................................................................................... GV:
.................................................................................................................................................................................... Tr ầ
.................................................................................................................................................................................... n Đ ình
.................................................................................................................................................................................... Cư
.................................................................................................................................................................................... – 08
.................................................................................................................................................................................... 3433
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.................................................................................................................................................................................... Câu 45 Câu 5:
Trong không gian với hệ trục toạ độ Oxyz , cho mặt cầu S  2 2 2
: x y z  8 và điểm  1 3  M  ;
; 0  . Đường thẳng d thay đổi, đi qua điểm M và cắt mặt cầu S  tại hai điểm , A B phân  2 2   
biệt. Tính diện tích lớn nhất của tam giác OAB . 2 2 . 2 7 . 4 . 7 .
Bản Word lời giải chi tiết lh zalo: 083433213 3
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com Lời giải
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.................................................................................................................................................................................... ần Đ Câu 46 ình Cư Câu 6: S ABCD Cho hình chóp .
ABCD là hình thang vuông tại đỉnh A và .
D Biết độ dài – 08 AB  4 , a AD  3 ,
a CD  5a và tam giác SBC đều và góc giữa mặt phẳng SBC  và (ABCD) bằng 3433 0
60 . Tính thể tích khối chóp S.ABCD theo . a 2133 3 27 10a 3 27a 3 27 10a 3 27a . . . . 4 4 8 8  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 4
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 47 Câu 7: x  3 y  3 z  2
Trong không gian với hệ tọa đô Oxyz , cho hai đường thẳng  :   và 1 2 2 x  3 y  3 z  2  :  
. Mặt phẳng  P : 2x my nz p  0 ( m ; n ; p   ) chứa đường thẳng  1 2 2
tạo với đường thẳng  một góc lớn nhất. Khi đó tích của m ; n ; p bằng: 60 30  20  . 30 .  Lời giải
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.................................................................................................................................................................................... Tr ần Đ
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Bản Word lời giải chi tiết lh zalo: 083433213 5
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com Câu 48 Câu 8:
Trên tập hợp số phức, xét phương trình bậc hai 2
z   m   2 2 2
3 z m  0  0 ( với m là số thực).
Tính tổng tất cả các giá trị của m để phương trình đó có hai nghiệm phân biệt z , z thỏa mãn 1 2
2  z z z z z z . 1 2 2 1  1 2 12 185 11 . . 0 . . 7 63 9  Lời giải
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.................................................................................................................................................................................... Tr ần Đ
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.................................................................................................................................................................................... – 083433
.................................................................................................................................................................................... 2133
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.................................................................................................................................................................................... Câu 49 Câu 9: x y z  1
Trong không gian với hệ tọa độ Oxyz , cho đường thẳng d :   và mặt phẳng 2 1  1
  : x  2y  2z  5  0 . Tìm điểm A trên d sao cho khoảng cách từ A đến mặt phẳng   bằng 3.
A0;0;  1 . A 2  ;1;  2 .
A2;1;0 .
A4; 2;  1 .  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 6
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 50 Câu 10: Có bao nhiêu giá trị nguyên của tham số m  2
 023; 2023 để hàm số
 8x  3  2 4x  3   4 2x y m m m
đồng biến trên khoảng  ;  2 ? GV: 2022 . 2020 . 4039 . 4037 . Tr ầ n Đ  Lời giải ình
.................................................................................................................................................................................... Cư –
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Bản Word lời giải chi tiết lh zalo: 083433213 7
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com HẾT GV: Tr ần Đ ình Cư – 083433 2133
Bản Word lời giải chi tiết lh zalo: 083433213 8
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
CHINH PHỤC ĐIỂM 8-9-10
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023 ĐỀ 03
Thời gian làm bài: 90 phút, không kể thời gian phát đề Câu 41 Câu 1:
Cho f (x) là hàm số liên tục trên tập số thực không âm và thỏa mãn f  2 x  3x   1  x  2 x   0. 5
Tính f x dx 1 37 527 61 464 . . . . 6 3 6 3  Lời giải
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.................................................................................................................................................................................... ần Đ
.................................................................................................................................................................................... ình Cư
.................................................................................................................................................................................... – 0
.................................................................................................................................................................................... 8 3433
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.................................................................................................................................................................................... Câu 42 Câu 2:
Cho hình lăng trụ đứng ABC.AB C
  có đáy ABC vuông tại ,
A AB a 3 , AC AA  a Giá trị sin
của góc giữa đường thẳng AC và mặt phẳng  BCCB bằng 10 6 3 6 . . . . 4 3 3 4  Lời giải
Bản Word lời giải chi tiết lh zalo: 083433213 1
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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.................................................................................................................................................................................... Tr ầ Câu 43 n Đ Câu 3: ình 3 Cư
Cho hàm số y f x liên tục trên  . Đồ thị hàm số y f ' x  được cho trong hình bên. Hàm – 1 0
số g x f x x x có tối đa bao nhiêu điểm cực đại? 8     4 3433 8 2133 2 . 3 . 4 . 5 .  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 2
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 44 Câu 4:
Cho hình chóp S.ABCD có đáy ABCD là hình bình hành. Gọi M là điểm đối xứng của C qua B
N là trung điểm của SC . Mặt phẳng MND chia khối chóp S.ABCD thành hai khối đa diện,
trong đó khối đa diện chứa đỉnh S có thể tích V , khối đa diện còn lại có thể tích V (tham khảo 1 2 GV: hình vẽ bên). Tr ần Đ ình Cư – 083433 2133 V Tính tỉ số 1 . V2 V 12 V 5 V 7 V 1 1  . 1  . 1  . 1  . V 7 V 3 V 5 V 5 2 2 2 2  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 3
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 45 Câu 5:
Cho hàm số f x  ax  a    2
3 ln x  3x với a là tham số thực. Biết rằng nếu max f x  f 2 1  ;3  
thì min f x  m . Khẳng định nào sau đây đúng? 1  ;3  
m 6;7 .
m 7;8 .
m 8;9 .
m 9;10 .  Lời giải
.................................................................................................................................................................................... GV:
.................................................................................................................................................................................... Tr ần Đ
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Bản Word lời giải chi tiết lh zalo: 083433213 4
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com Câu 46 Câu 6:
Cho hàm số f x có đạo hàm trên đoạn 1;e và thỏa mãn f  
1  0 ;  f  x 1 x f x, x     1;ee
. Tích phân f x dx  bằng 1 2 e 1 2 e 1 2 e 1 2 e 1 . . . . 4 2 4 2  Lời giải
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.................................................................................................................................................................................... Tr ần Đ
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.................................................................................................................................................................................... – 083433
.................................................................................................................................................................................... 2133
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.................................................................................................................................................................................... Câu 47 Câu 7:
Có bao nhiêu số nguyên dương x sao cho tồn tại số thực y lớn hơn 1 thỏa mãn  2 y x  3 2
xy x  2 y   1 log y  log x 3. 1. vô số. 2.  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 5
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 48 Câu 8:
Trong không gian với hệ tọa độ Oxyz, cho mặt cầu S  có tâm thuộc mặt phẳng
(P) : x  2 y z  7  0 và đi qua hai điểm A1; 2 
;1 , B 2;5;3 . Bán kính nhỏ nhất của mặt cầu S  bằng: GV: 470 546 763 345 . . . . Tr 3 3 3 3 ần Đ  Lời giải ình
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Bản Word lời giải chi tiết lh zalo: 083433213 6
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com Câu 49 Câu 9: Trong khoảng  10 
; 20 có bao nhiêu giá trị nguyên của tham số m để phương trình 2
4 log ( 1)  log 9( 1) m x x x  3 9 
 có đúng 2 nghiệm phân biệt. 23. 20. 8. 15.  Lời giải
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.................................................................................................................................................................................... Tr
.................................................................................................................................................................................... ần Đ
.................................................................................................................................................................................... ình Cư
.................................................................................................................................................................................... – 0
.................................................................................................................................................................................... 8 3433
.................................................................................................................................................................................... 2133 Câu 50 Câu 10:
Cho hàm số f x 2
x  2x 1 . Gọi S là tập hợp tất cả các giá trị thực của tham số m để giá trị
lớn nhất của hàm số g x 2
f x  2 f x  m trên đoạn  1  ; 
3 bằng 8 . Tính tổng các phần tử của S . 7  . 2 . 0 . 5 .  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 7
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................  HẾT  GV: Tr ần Đ ình Cư – 083433 2133
Bản Word lời giải chi tiết lh zalo: 083433213 8
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
CHINH PHỤC ĐIỂM 8-9-10
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023 ĐỀ 04
Thời gian làm bài: 90 phút, không kể thời gian phát đề Câu 41 Câu 1:  2 2    
Cho hàm số y f x có đạo hàm f  x  cosx 1,  x   . Biết f xdx  1  . Khi đó f   8  2  0 bằng    . Ⓑ 1 . Ⓒ 1 . Ⓓ 1. 2 2 2  Lời giải
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.................................................................................................................................................................................... Tr ầ
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.................................................................................................................................................................................... Câu 42 Câu 2:
Cho hình chóp S.ABC có đáy là tam giác ABC vuông tại A , AB  ,
a BC  2a SB vuông góc với
mặt phẳng  ABC  . Biết góc giữa hai mặt phẳng SAC và SBC  bẳng 60 . Thể tích của khối chóp
S.ABC bằng
Bản Word lời giải chi tiết lh zalo: 083433213 1
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com 3 a 2 3 a 6 3 a 6 3 a 2 . Ⓑ . Ⓒ . Ⓓ . 6 12 4 2  Lời giải
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.................................................................................................................................................................................... Tr ần Đ
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.................................................................................................................................................................................... Cư – Câu 43 08 Câu 3: 3433
Trên tập hợp các số phức, xét phương trình 2 2
z  2mz m  2m  0 ( m là tham số thực). Có bao 2133
nhiêu giá trị thực của m để phương trình đó có nghiệm z thỏa mãn z  2 ? 0 0 0 . 1. 2 . 3.  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 2
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 44 Câu 4:
Cho số phức z thỏa mãn  z 1 iz 1 i  5 và 2 2
P z  2i z 1 . Tổng giá trị lớn nhất và giá
trị nhỏ nhất của P bằng 9 . Ⓑ 11. Ⓒ 2 . Ⓓ 20 .  Lời giải
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.................................................................................................................................................................................... GV: Tr
.................................................................................................................................................................................... ần Đ
.................................................................................................................................................................................... ình Cư
.................................................................................................................................................................................... – 0
.................................................................................................................................................................................... 8 3433
.................................................................................................................................................................................... 2133
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.................................................................................................................................................................................... Câu 45 Câu 5:
Cho hàm số f x 3 2
 4x ax bx c có đồ thị cắt trục hoành tại ba điểm có hoành độ là 3  ; 1  ;1.
F x là một nguyên hàm của hàm số f x và g x là hàm số bậc hai có đồ thị đi qua ba điểm
cực trị của hàm số F x . Diện tích hình phẳng giới hạn bởi đồ thị hàm số y F x và y g x bằng
Bản Word lời giải chi tiết lh zalo: 083433213 3
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com 128 64 . Ⓑ . Ⓒ 16 . Ⓓ 64 . 15 15  Lời giải
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.................................................................................................................................................................................... Tr ầ
.................................................................................................................................................................................... n Đ ình
.................................................................................................................................................................................... Cư Câu 46 – 08 Câu 6: 3433
Trong không gian với hệ tọa độ Oxyz cho mặt phẳng  P : x  3y  2z 1  0 và đường thẳng 2133 x 1 y 1 z  4 d :  
. Phương trình đường thẳng  đi qua A1; 2 
;1 mặt phẳng  P và đường 2 1  1
thẳng d lần lượt tại B,C sao cho C là trung điểm của AB x 1 y  2 z 1 x 15 y  4 z 1 Ⓐ   . Ⓑ   . 8  1  1 8 1 1 x 1 y  2 z 1 x 15 y  4 z 1 Ⓒ   . Ⓓ   . 8 1 1 8 1  1  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 4
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 47 Câu 7:
Cho hình nón đỉnh S , đường cao SO , A B là hai điểm thuộc đường tròn đáy sao cho tam giác a 3
SAB đều; khoảng cách từ O đến SAB bằng và 
SAO  30 . Diện tích xung quanh của hình 3
nón theo a bằng 3 3 5 3 GV: 2 3 a . Ⓑ 2 a . Ⓒ 2 6 3 a . Ⓓ 2 a . 2 2 Tr  ầ Lời giải n Đ
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Bản Word lời giải chi tiết lh zalo: 083433213 5
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com Câu 48 Câu 8:
Có bao nhiêu số nguyên dương a sao cho ứng với mỗi a có không quá 20 số nguyên b thỏa mãn a b ab2 2  4.6  2  3b ? 33. Ⓑ 32. Ⓒ 31. Ⓓ 30.  Lời giải
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.................................................................................................................................................................................... Tr ần Đ
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.................................................................................................................................................................................... 2133 Câu 49 Câu 9:
Trong không gian với hệ trục tọa độ 2 2 2
Oxyz , cho mặt cầu S  :  x   1   y   1   z   1  12 và
mặt phẳng  P : x  2y  2z 11  0 . Xét điểm M di động trên  P , các điểm ,
A B,C phân biệt
di động trên S  sao cho M ,
A MB, MC là các tiếp tuyến của  S  . Mặt phẳng  ABC luôn đi qua
điểm cố định nào dưới đây?  1 1 1   3 
E 0;3;  1 . Ⓑ F ; ;   . Ⓒ G 0; 1  ;3 . Ⓓ H ; 0; 2    4 2 2   2   Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 6
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 50 Câu 10:
Cho hàm số y f x có đạo hàm f  x 2
x x  6 . Có bao nhiêu giá trị nguyên của m để hàm
số y f  3 2
x  3x  9x m có đúng 6 điểm cực trị? 7 . Ⓑ 8 . Ⓒ 9 . Ⓓ 10 . GV: Tr  Lời giải ần Đ
.................................................................................................................................................................................... ình
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Bản Word lời giải chi tiết lh zalo: 083433213 7
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com GV: Tr ần Đ ình Cư – 083433 2133
Bản Word lời giải chi tiết lh zalo: 083433213 8
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
CHINH PHỤC ĐIỂM 8-9-10
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023 ĐỀ 05
Thời gian làm bài: 90 phút, không kể thời gian phát đề Câu 41 Câu 1: 2  1   1  f x
Cho hàm số y f x liên tục và thỏa mãn f x  2 f  3x   với x  ;2   . Tính . dx x   2  x 1 2 3 9 9 3  . Ⓑ . Ⓒ  . Ⓓ . 2 2 2 2  Lời giải
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.................................................................................................................................................................................... Câu 42 Câu 2:
Trong không gian với hệ trục tọa độ Oxyz , cho mặt cầu S  2 2 2
: x y z  2x  4y  2z  3  0 và
mặt phẳng  P : 2x y  2z 14  0 . Điểm M thay đổi trên  S  , đểm N thay đổi trên  P . Độ dài
nhỏ nhất của MN bằng 1 3 . Ⓑ 2 . Ⓒ 1. Ⓓ . 2 2  Lời giải
Bản Word lời giải chi tiết lh zalo: 083433213 1
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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.................................................................................................................................................................................... Tr ầ Câu 43 n Đ Câu 3: ình 1 2 2 Cư
Gọi là diện tích hình phẳng giới hạn bởi các đường 2my x , mx
y , m  0 . Tìm giá trị của 2 – 0
m để S  3 8 3433 1 3 m  3 . Ⓑ m  2 . Ⓒ m  . Ⓓ m  . 2133 2 2  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 2
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 44 Câu 4:
Cho số phức z thỏa mãn z  3  4i  3 và w  2z  3  2i . Khi đó w có giá trị lớn nhất bằng 6 3 5 . 6  3 5 . 7 . 3 5 .  Lời giải
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.................................................................................................................................................................................... Tr
.................................................................................................................................................................................... ần Đ
.................................................................................................................................................................................... ình Cư
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.................................................................................................................................................................................... 8 3433
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.................................................................................................................................................................................... Câu 45 Câu 5:
Cho hình nón tròn xoay có chiều cao h  20 , bán kính đáy r  25 . Cắt hình nón đã cho bởi một
mặt phẳng đi qua đỉnh của hình nón và khoảng cách từ tâm của đáy hình nón đến mặt phẳng
này bằng 12 . Diện tích thiết diện thu được bằng 500. 400. 300. 406.  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 3
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 46 GV: Câu 6: u  u 8 2 1 3 Tr
Cho dãy số u thoả mãn 1 2 2  2  và u
 2u với mọi n  1. Giá trị n n 1  n ầ  1 n Đ 2  log u  4u  4 3  3 1  ình  4  Cư
nhỏ nhất của n để 100
S u u  ...  u  5 bằng n 1 2 n 233. Ⓑ 234 . Ⓒ 230 . Ⓓ 231. 0 8 3433  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 4
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 47 Câu 7: Cho
f (x) là hàm số liên tục có đạo hàm f  (x) trên
[0;1], f (1)  0 . Biết 1
1  f x 2 1 1 1 ( ) dx  ,
f (x)dx    
. Khi đó 2 f (x)dx  bằng 0 0 3 3 0 1 11 6  . Ⓑ  . Ⓒ . Ⓓ 0. 6 48 23  Lời giải
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.................................................................................................................................................................................... Tr
.................................................................................................................................................................................... ần Đ
.................................................................................................................................................................................... ình Cư
.................................................................................................................................................................................... – 0
.................................................................................................................................................................................... 8 3433
.................................................................................................................................................................................... 2133
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.................................................................................................................................................................................... Câu 48 Câu 8:
Trên tập hợp các số phức, xét phương trình 2
z  2mz  8m 12  0 . Có bao nhiêu giá trị nguyên
của m để phương trình đó có hai nghiệm phân biệt z , z thỏa mãn z z ? 1 2 1 2 5 6 . 3 . 4 .  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 5
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 49 Câu 9:
Cho hình chóp S.ABCD có đáy là ABCD là hình chữ nhật. Tam giác SAB nằm trong mặt phẳng GV:
vuông góc với  ABCD  . Biết rằng AB a , AD a 3 và 
ASB  60 . Tính diện tích khối cầu Tr ầ
ngoại tiếp hình chóp S.ABCD . n Đ 2 2 2 2 ình 13 a 13 a 11 a 11 a S  . Ⓑ S  . Ⓒ S  . Ⓓ S  . Cư 2 3 2 3 –  Lời giải 08
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Bản Word lời giải chi tiết lh zalo: 083433213 6
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
........................................................................................................................................................................................
........................................................................................................................................................................................ Câu 50 Câu 10:
Cho đồ thị hàm số y f (x) như hình vẽ dưới đây:
Gọi S là tập tất cả các giá trị nguyên dương của tham số m để hàm số 1 2
y f (x  2023) 
m có 5 điểm cực trị. Tổng tất cả các giá trị của các phần tử của tập S bằng: 3 7. Ⓑ 6. Ⓒ 5. Ⓓ 9. GV:  Lời giải Tr ầ
.................................................................................................................................................................................... n Đ ình
.................................................................................................................................................................................... Cư
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.................................................................................................................................................................................... 3433
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Bản Word lời giải chi tiết lh zalo: 083433213 7
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com GV: Tr ần Đ ình Cư – 083433 2133
Bản Word lời giải chi tiết lh zalo: 083433213 8
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
CHINH PHỤC ĐIỂM 8-9-10
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023 ĐỀ 06
Thời gian làm bài: 90 phút, không kể thời gian phát đề Câu 41 Câu 1:
Cắt hình nón đỉnh I bởi một mặt phẳng đi qua trục hình nón ta được một tam giác vuông cân có
cạnh huyền bằng a 2 ; BC là dây cung của đường tròn đáy hình nón sao cho mặt phẳng  IBC
tạo với mặt phẳng đáy hình nón một góc 0
60 . Tính theo a diện tích S của tam giác IBC . 2 2a 2 a 2 2a 2 2a S  . S  . S  . S  . 6 3 3 3  Lời giải
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.................................................................................................................................................................................... GV: Tr
.................................................................................................................................................................................... ần Đ
.................................................................................................................................................................................... ình Cư
.................................................................................................................................................................................... –
.................................................................................................................................................................................... 0 8 3433
.................................................................................................................................................................................... 2133
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.................................................................................................................................................................................... Câu 42 Câu 2:
Trên tập hợp số phức, xét phương trình 2
z  a   2
3 z a a  0 ( a là tham số thực). Có bao nhiêu
giá trị nguyên của a để phương trình có hai nghiệm phức z , z thoả mãn z z z z ? 1 2 1 2 1 2 2 . 3 . 4 . 1.  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 1
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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.................................................................................................................................................................................... GV: Câu 43 Tr Câu 3: ần Đ
Trong không gian Oxyz , đường thẳng đi qua điểm M 1;2;2 , song song với mặt phẳng ình x 1 y  2 z  3 Cư
P : x y z  3  0 đồng thời cắt đường thẳng d :  
có phương trình là 1 1 1 – 0 x  1  tx  1  tx  1  tx  1  t 8 3433    
y  2  t .
y  2  t
y  2  t
y  2  t     2133 z  3  z  3  z  2  z  3  t   Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 2
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 44 Câu 4:      2 2
Cho hàm số f x có f   
f  x  1, x
  0; . Khi đó f xdx 2    bằng  2  2 sin x  6 2  2  1 2 5 2  1  2ln 2.  2 ln .  2ln 2.   ln . 9 9 2 36 9 2  Lời giải
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.................................................................................................................................................................................... Tr ầ
.................................................................................................................................................................................... n Đ ình
.................................................................................................................................................................................... Cư
.................................................................................................................................................................................... – 08
.................................................................................................................................................................................... 3433
.................................................................................................................................................................................... 2133
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Bản Word lời giải chi tiết lh zalo: 083433213 3
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com Câu 45 Câu 5:
Cho hàm số bậc ba y f x có đồ thị là đường cong trong hình sau: y 2 3 O 1 4 x -2
Số nghiệm thực phân biệt của phương trình 2. f f x  2 1  0 là 7 . 10 . 8 . 9.  Lời giải
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.................................................................................................................................................................................... Tr
.................................................................................................................................................................................... ần Đ
.................................................................................................................................................................................... ình Cư
.................................................................................................................................................................................... – 0
.................................................................................................................................................................................... 8 3433
.................................................................................................................................................................................... 2133
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.................................................................................................................................................................................... Câu 46 Câu 6:
Cho hai hàm số f x 4 3 2
ax bx cx  2x g x 3 2
mx nx  2x với a, , b , c ,
m n   . Biết hàm số
y f x  g x có ba điểm cực trị là 2, 1,3 . Diện tích hình phẳng giới hạn bởi hai đường
y f  x và g x bằng
Bản Word lời giải chi tiết lh zalo: 083433213 4
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com 131 131 125 125 . . . . 4 6 12 6  Lời giải
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.................................................................................................................................................................................... Tr ầ
.................................................................................................................................................................................... n Đ ình
.................................................................................................................................................................................... Cư Câu 47 – 08 Câu 7: 3433 Giả sử  ;
x y  là cặp số nguyên thỏa mãn đồng thời 8  x  2022 và 2y log  y 1 x 2     2x y . 2  2133
Tổng các giá trị của y bằng 60. 63. 2022. 49.  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 5
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 48 Câu 8:
Gọi S là tập họp các số phức z thỏa mãn | z 1 2i | 9 và | z  2  mi | |
z m i | , (trong đó m  )
. Gọi z , z là hai số phức thuộc S sao cho z z lớn nhất, khi đó giá trị của z z bằng 1 2 1 2 1 2 2 5 . 6 . 5 . 18 . Lời giải
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.................................................................................................................................................................................... GV: Tr
.................................................................................................................................................................................... ần Đ
.................................................................................................................................................................................... ình Cư
.................................................................................................................................................................................... – 0
.................................................................................................................................................................................... 8 3433
.................................................................................................................................................................................... 2133
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.................................................................................................................................................................................... Câu 49 Câu 9:
Trong không gian Oxyz , cho các điểm A0;0; 2
  và B 3; 4; 
1 . Gọi  P là mặt phẳng chứa đường 2 2 2 tròn giao tuyến của hai mặt cầu
S : x 1  y  2  z 1 16 với 1        S  2 2 2
: x y z  2x  4 y 10  0 . M , N là hai điểm thuộc  P sao cho MN 1. Giá trị nhỏ nhất 2
của AM BN
Bản Word lời giải chi tiết lh zalo: 083433213 6
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com 34 1. 34 . 5. 4  Lời giải
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.................................................................................................................................................................................... ần Đ
.................................................................................................................................................................................... ình Cư Câu 50 – Câu 10: 08 1 1 2 3 2 2 3433
Cho hàm số f x   x  2m  3 x  m  3mx  . Có bao nhiêu giá trị nguyên của tham 3 2 3 2133 số m thuộc  9  ; 
9 để hàm số nghịch biến trên khoảng 1;2 ? 3. 2. 16. 9. Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 7
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ HẾT GV: Tr ần Đ ình Cư – 083433 2133
Bản Word lời giải chi tiết lh zalo: 083433213 8
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
CHINH PHỤC ĐIỂM 8-9-10
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023 ĐỀ 07
Thời gian làm bài: 90 phút, không kể thời gian phát đề Câu 41 Câu 1:
Có bao nhiêu số phức z x yi x, y   thỏa mãn . z z  4 . Vô số. Ⓑ 5 . Ⓒ 9 . 13 .  Lời giải
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.................................................................................................................................................................................... GV: Tr
.................................................................................................................................................................................... ần Đ
.................................................................................................................................................................................... ình Cư
.................................................................................................................................................................................... –
.................................................................................................................................................................................... 0 8 3433
.................................................................................................................................................................................... 2133
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.................................................................................................................................................................................... Câu 42 Câu 2:
Cho hàm số f x thỏa mãn       ex f x f x , x
   và f 0  2 . Họ nguyên hàm của hàm số   2 . x f x e x
xe x C .    1 x x
e C . x
xe x C .    1 x x e C .  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 1
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 43 GV: Câu 3:    Tr
Cho tứ diện ABCD AB 1, AC  2 , AD  3 và BAC CAD DAB  60 . Tính thể tích V của ần Đ
khối tứ diệnV . ình 2 2 3 2 Cư V  . V  . V  . V  . 6 12 4 2 –  0 Lời giải 8 3433
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Bản Word lời giải chi tiết lh zalo: 083433213 2
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
........................................................................................................................................................................................
........................................................................................................................................................................................ Câu 44 Câu 4: Trong không gian Oxyz , cho hai điểm A 3;1; 3 ,
B 0; 2;3 và mặt cầu
S   x  2  y   z  2 2 : 1 3
 1. Xét điểm M thay đổi thuộc mặt cầu S  , giá trị lớn nhất của 2 2
MA  2MB bằng 84 . Ⓑ 52 . Ⓒ 102 . Ⓓ 78 .  Lời giải
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.................................................................................................................................................................................... Tr ần Đ
.................................................................................................................................................................................... ình Cư
.................................................................................................................................................................................... –
.................................................................................................................................................................................... 083433
.................................................................................................................................................................................... 2133
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.................................................................................................................................................................................... Câu 45 Câu 5: x y 1 z  2
Trong không gian Oxyz , cho đường thẳng d :  
. Đường thẳng d đối xứng với d 1 2 1 
qua mặt phẳng Oyz có phương trình là x y 1 z  2 x y z x y 1 z  2 x y 1 z  2   . Ⓑ   . Ⓒ   . Ⓓ   . 1  2 1  1 2 1  1 2  1 1 2 1  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 3
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 46 Câu 6:
Tính tổng tất cả các nghiệm nguyên của bất phương trình log  2 x  3 2
 log x x  4x 1  0 . 2 2 GV: 4 6 5 3 Tr ầ  Lời giải n Đ
.................................................................................................................................................................................... ình Cư
.................................................................................................................................................................................... – 0
.................................................................................................................................................................................... 8 3433
.................................................................................................................................................................................... 2133
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Bản Word lời giải chi tiết lh zalo: 083433213 4
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com Câu 47 Câu 7:
Cho hình nón có đường cao h  5a và bán kính đáy r  12a . Gọi   là mặt phẳng đi qua đỉnh
của hình nón và cắt đường tròn đáy theo dây cung có độ dài 10a . Tính diện tích thiết diện tạo bởi
mặt phẳng   và hình nón đã cho. 2 119a 2 69a . 2 120a . 2 60a . . 2  Lời giải
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.................................................................................................................................................................................... Tr ần Đ
.................................................................................................................................................................................... ình
.................................................................................................................................................................................... Cư
.................................................................................................................................................................................... – 083433
.................................................................................................................................................................................... 2133
....................................................................................................................................................................................
.................................................................................................................................................................................... Câu 48 Câu 8:
Gọi M là điểm biểu diễn số phức z x   2
x  2x  2 i ( với a   ) và N là điểm biểu diễn số 1 
phức z biết z  2  i z  6  i . Tìm khoảng cách ngắn nhất giữa hai điểm M, N . 2 2 2 6 5 2 5 . 5. . 1. 5  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 5
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 49 Câu 9:
Có bao nhiêu giá trị nguyên của tham số m để bất phương trình 1 log  2 x   1  log  2 .
m x  4x m 5 5 
nghiệm đúng với mọi x   . GV: 1 2 0 Vô số Tr  Lời giải ần Đ
.................................................................................................................................................................................... ình Cư
.................................................................................................................................................................................... –
.................................................................................................................................................................................... 0 8 3433
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Bản Word lời giải chi tiết lh zalo: 083433213 6
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com Câu 50 Câu 10: Gọi S là số giá trị
m nguyên thuộc khoảng  2
 0;20 để đồ thị hàm số 4 3 2 2 y f ( )
x  2x  4(m  4)x  3m x  48 đồng biến trên khoảng 0;2 . Phát biểu nào sau đây đúng? S chia hết cho 4. Ⓑ S chia cho 4 dư 1.
S chia cho 4 dư 2. S chia cho 4 dư 3. Ⓒ  Lời giải
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.................................................................................................................................................................................... GV:
.................................................................................................................................................................................... Tr ầ
.................................................................................................................................................................................... n Đ ình
.................................................................................................................................................................................... Cư
.................................................................................................................................................................................... – 08
.................................................................................................................................................................................... 3433
.................................................................................................................................................................................... 2133
.................................................................................................................................................................................... HẾT
Bản Word lời giải chi tiết lh zalo: 083433213 7
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
CHINH PHỤC ĐIỂM 8-9-10
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023 ĐỀ 08
Thời gian làm bài: 90 phút, không kể thời gian phát đề Câu 41 Câu 1:
Cho hình chóp tứ giác đều S.ABCD có cạnh đáy bằng 2a. Mặt phẳng qua AB và trung điểm M của
SC cắt hình chóp theo thiết diện có chu vi bằng 7a. Thể tích của khối nón ngoại tiếp khối chóp đều
S.ABCD bằng: 3 2 a 3 3 2 a 6 3 2 a 6 3  a 6 3 3 9 3  Lời giải
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.................................................................................................................................................................................... Tr
.................................................................................................................................................................................... ần Đ ình
.................................................................................................................................................................................... Cư
.................................................................................................................................................................................... – 08
.................................................................................................................................................................................... 3433
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.................................................................................................................................................................................... Câu 42 Câu 2:
Cho bất phương trình x mx 1 4 1 2   
m  0 . Tập hợp các giá trị thực của tham số m để bất
phương trình nghiệm đúng với mọi x  0 là 1;16 . Ⓑ ;  1 . Ⓒ  ;  0 . Ⓓ ;12 .  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 1
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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.................................................................................................................................................................................... GV: Câu 43 Tr Câu 3: ần Đ a 2 OA OB OC OA
, OB OC a ình
Cho tứ diện OABC có ba cạnh , ,
đôi một vuông góc với nhau 2 Cư
. Gọi H là hình chiếu vuông góc của O lên mặt phẳng  ABC . Thể tích khối tứ diện OABH – 0 bằng 8 3433 3 a 2 3 a 2 3 a 2 3 a 6 . Ⓑ . Ⓒ . Ⓓ . 2133 12 24 48 2  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 2
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 44 Câu 4:
Gọi z là một nghiệm của phương trình 2
z z 1  0 . Giá trị của biểu thức 1 1 2019 2018 M zz    5 bằng 2019 2018 z z 5 . Ⓑ 2 . Ⓒ 7 . Ⓓ 1.  Lời giải
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.................................................................................................................................................................................... Tr ầ
.................................................................................................................................................................................... n Đ ình
.................................................................................................................................................................................... Cư
.................................................................................................................................................................................... – 08
.................................................................................................................................................................................... 3433
.................................................................................................................................................................................... 2133
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.................................................................................................................................................................................... Câu 45 Câu 5:
Cho hàm số y f x có đồ thị như hình vẽ và diện tích hai phần ,
A B lần lượt bằng 11 và 2 . 0 Giá trị của I f 3x   1 dx  bằng 1 
Bản Word lời giải chi tiết lh zalo: 083433213 3
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com y
y f xA 2 1 x O B 13 9 13 3 3  Lời giải
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.................................................................................................................................................................................... Tr
.................................................................................................................................................................................... ần Đ
.................................................................................................................................................................................... ình Cư
.................................................................................................................................................................................... – 0
.................................................................................................................................................................................... 8 3433
.................................................................................................................................................................................... 2133
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.................................................................................................................................................................................... Câu 46 Câu 6: z z  2
2z  3z  2 7
Xét hai số phức z , z thỏa mãn 1 2 và 1 2
. Giá trị lớn nhất của 1 2
2z z  2  3i 1 2 bằng: 13  12 . Ⓑ 12  6 . Ⓒ 13  12 . Ⓓ 12  3.  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 4
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 47 GV: Câu 7:
Trong không gian Oxyz , cho mặt cầu S  2 2 2
: x y z  1 . Gọi M là điểm nằm trên mặt phẳng Tr ần Đ
P : 2x y  2z  6  0. Từ điểm M kẻ ba tiếp tuyến M ,
A MB, MC đến mặt cầu  S  , trong đó ình , A ,
B C là các tiếp điểm. Khi M di động trên mặt phẳng  P . Tìm giá trị nhỏ nhất của bán kính Cư
đường tròn ngoại tiếp tam giác ABC . – 08 3 3 1 3 3433 . Ⓑ . Ⓒ . Ⓓ . 4 4 2 2 2133  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 5
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 48 Câu 8: Cho hàm số 4 5 3
f x có đạo hàm f  x   x  
1  x m  x  3 với mọi x   . Có bao nhiêu số
nguyên m thuộc đoạn  5  ; 
5 để hàm số g x  f x  có 3 điểm cực trị. 6  3 4 5   Lời giải
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........................................................................................................................................................................................ GV:
.................................................................................................................................................................................... Tr ầ
.................................................................................................................................................................................... n Đ ình
.................................................................................................................................................................................... Cư
.................................................................................................................................................................................... – 08
.................................................................................................................................................................................... 3433
.................................................................................................................................................................................... 2133
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.................................................................................................................................................................................... Câu 49 Câu 9: 3
Phương trình x2 m3x  3 2 x x x mx2 x 1 2 6 9 2 2      
1 có 3 nghiệm phân biệt khi và chỉ khi
m  a;b . Đặt 2 2
T b a thì:
T  48
T  64 
T  72 
T  36   Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 6
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 50 GV: Câu 10: Tr
Cho hàm số f x 4 2
x  2x 1. Có bao nhiêu giá trị nguyên dương của tham số m để hàm số ần Đ 2
g x f 3 x m m
đồng biến trên 5 ; + ? ình     Cư 2. 3. Vô số. 5. – 083433  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 7
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ HẾT GV: Tr ần Đ ình Cư – 083433 2133
Bản Word lời giải chi tiết lh zalo: 083433213 8
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
CHINH PHỤC ĐIỂM 8-9-10
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023 ĐỀ 09
Thời gian làm bài: 90 phút, không kể thời gian phát đề Câu 41 Câu 1:
Có bao nhiêu số nguyên m để hàm số 4 2
y  (m  3)x  (2  m)x m 1 chỉ có một điểm cực trị và là điểm cực tiểu? 2. 1. 3. 0.  Lời giải
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.................................................................................................................................................................................... GV: Tr
.................................................................................................................................................................................... ần Đ
.................................................................................................................................................................................... ình Cư
.................................................................................................................................................................................... –
.................................................................................................................................................................................... 0 8 3433
.................................................................................................................................................................................... 2133
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.................................................................................................................................................................................... Câu 42 Câu 2:
Trong không gian với hệ tọa độ Oxyz , cho hai điểm A1;2;  1 ,B 3;4;  0 , mặt phẳng
P : ax by cz  46  0. Biết rằng khoảng cách từ ,
A B đến mặt phẳng P lần lượt bằng 6
và 3 . Giá trị của biểu thức T a b c bằng 3 . 6 . 3 . 6 .  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 1
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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.................................................................................................................................................................................... GV: Câu 43 Tr Câu 3: ần Đ 1 1
Cho số phức z thỏa mãn có phần thực bằng
. Mô dun của z bằng: ình z z 8 Cư 8 . Ⓑ 16 . Ⓒ 4 . Ⓓ 2 2 . – 0  Lời giải 8 3433
.................................................................................................................................................................................... 2133
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Bản Word lời giải chi tiết lh zalo: 083433213 2
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com Câu 44 Câu 4:
Cho khối lăng trụ đứng ABC.AB C   có 
BAC  60 , AB  3a AC  4a . Gọi M là trung điểm 3a 15 của B C
  , biết khoảng cách từ M đến mặt phẳng B AC  bằng
. Thể tích khối lăng trụ đã 10 cho bằng 3 27a . 3 9a . 3 4a . 3 a .  Lời giải
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.................................................................................................................................................................................... Tr
.................................................................................................................................................................................... ần Đ ình
.................................................................................................................................................................................... Cư
.................................................................................................................................................................................... – 08
.................................................................................................................................................................................... 3433
.................................................................................................................................................................................... 2133
.................................................................................................................................................................................... Câu 45 Câu 5: x 1 y z x y 1 z
Trong không gian Oxyz cho hai đường thẳng d :   ; d :   . Phương trình 1 2 2 1 1 2 2 1
của đường thẳng song song với d , cắt d và cắt trục Oz 1 2 x y z 1 x y z x y 1 z x 1 y z   . Ⓑ   . Ⓒ   . Ⓓ   . 2 1 1 2 1 1 2 1 1 2 1 1  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 3
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 46 Câu 6:
Trên tập hợp các số phức, xét phương trình 2
z  2mz  7m  6  0 , với m là tham số thực. Có bao
nhiêu giá trị nguyên của m để phương trình đã cho có hai nghiệm phân biệt z , z thỏa mãn 1 2 GV:
z z ? 1 2 Tr 4 . Ⓑ 5. Ⓒ 6 . Ⓓ 3. ần Đ  Lời giải ình
.................................................................................................................................................................................... Cư –
.................................................................................................................................................................................... 083433
.................................................................................................................................................................................... 2133
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Bản Word lời giải chi tiết lh zalo: 083433213 4
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com Câu 47 Câu 7:
Cho hàm số y f x có đạo hàm trên  , đồ thị hàm số y f x như hình vẽ. Biết diện tích
hình phẳng phần sọc kẻ bằng 3 . Tính giá trị của biểu thức: 2 3 4 T
f  x   1 dx 
f  x   1 dx 
f 2x  8 dx    1 2 3 9 3
T  .
T  6 .
T  0 . T  . 2 2  Lời giải
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.................................................................................................................................................................................... Tr ầ
.................................................................................................................................................................................... n Đ
.................................................................................................................................................................................... ình Cư
.................................................................................................................................................................................... –
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.................................................................................................................................................................................... 3433
.................................................................................................................................................................................... 2133
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.................................................................................................................................................................................... Câu 48 Câu 8:
Có bao nhiêu số nguyên x sao cho ứng với mỗi x có không quá 728 số nguyên y thỏa mãn log  2 x y  log
x y ? 4  3   115 . Ⓑ 58 . Ⓒ 59 . Ⓓ 116 .  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 5
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 49 Câu 9:
Thiết diện qua trục của một hình nón là một tam giác vuông cân có cạnh huyền bằng a 2 . GV:
Một thiết diện qua đỉnh tạo với đáy một góc 60 . Diện tích của thiết diện này bằng Tr 2 2 2 ầ a 2 a 2 a 2 n Đ . . 2 2a . . 3 2 4 ình  Lời giải
.................................................................................................................................................................................... – 083433
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Bản Word lời giải chi tiết lh zalo: 083433213 6
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
........................................................................................................................................................................................ Câu 50 Câu 10: 1 1 2
Cho hàm số f x 3   x  2m  3 2 x   2
m  3mx
. Có bao nhiêu giá trị nguyên của tham 3 2 3 số m thuộc  9  ; 
9 để hàm số nghịch biến trên khoảng 1;2 ? Ⓐ 3. Ⓑ 2. Ⓒ 16. Ⓓ 9.  Lời giải
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.................................................................................................................................................................................... GV:
.................................................................................................................................................................................... Tr ầ
.................................................................................................................................................................................... n Đ ình
.................................................................................................................................................................................... Cư
.................................................................................................................................................................................... – 08
.................................................................................................................................................................................... 3433
.................................................................................................................................................................................... 2133
....................................................................................................................................................................................
.................................................................................................................................................................................... HẾT
Bản Word lời giải chi tiết lh zalo: 083433213 7
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
CHINH PHỤC ĐIỂM 8-9-10
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023 ĐỀ 10
Thời gian làm bài: 90 phút, không kể thời gian phát đề Câu 41 Câu 1:
Có bao nhiêu số nguyên x thỏa mãn  2 3 log  log  2 6561 3x x x  0 là 5 5  8 . Ⓑ 5. Ⓒ 6 . Ⓓ 7 .  Lời giải
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.................................................................................................................................................................................... GV:
.................................................................................................................................................................................... Tr ầ
.................................................................................................................................................................................... n Đ ình
.................................................................................................................................................................................... Cư
.................................................................................................................................................................................... – 08
.................................................................................................................................................................................... 3433
.................................................................................................................................................................................... 2133
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.................................................................................................................................................................................... Câu 42 Câu 2:
Cho hình nón có thiết diện qua đỉnh S là tam giác đều có cạnh bằng 16 và tạo với mặt đáy một góc 0
60 . Thể tích của khối nón đó bằng: 16 7 . Ⓑ 448 . Ⓒ 1344 . Ⓓ 192 7 .  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 1
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 43 Câu 3: x 1 y  3 z  2
Trong không gian Oxyz , cho điểm M  4  ; 2
 ;3 và đường thẳng d :   . Đường 1 1 1 GV:
thẳng  đi qua điểm M , cắt trục Oy và vuông góc với đường thẳng d có phương trình là Tr
x  4  4t
x  4  4t
x  4  4t
x  4  4t ầ     n Đ
y  2  t
y  2  t
y  2  t
y  2  t  ình
z  3 3t     z  3  3t
z  3  3tz  3  3t  Cư  Lời giải – 0
.................................................................................................................................................................................... 8 3433
.................................................................................................................................................................................... 2133
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Bản Word lời giải chi tiết lh zalo: 083433213 2
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
........................................................................................................................................................................................
........................................................................................................................................................................................ Câu 44 Câu 4:
Cho hàm số y f x 3 2
ax bx cx d  , a ,
b c, d   có đồ thị như hình vẽ bên dưới.
Số nghiệm thực phân biệt của phương trình f  f x  3  0 là 6 . 3. 5. 4 .  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 3
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com Câu 45 Câu 5:
Trong không gian Oxyz , cho mặt cầu S  có phương trình 2 2 2
x y z  2x  4 y  2z  4  0 và x  2 y z đường thẳng d :  
. Hai mặt phẳng  P,Q chứa đường thẳng d và tiếp xúc với mặt 2 1 4
cầu S  lần lượt tại M , N . Gọi H  ; a ;
b c là trung điểm của MN . Khi đó tổng a b c bằng 10 10 14 14  . Ⓑ . Ⓒ . Ⓓ  . 3 3 3 3  Lời giải
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.................................................................................................................................................................................... Tr
.................................................................................................................................................................................... ần Đ
.................................................................................................................................................................................... ình Cư
.................................................................................................................................................................................... – 0
.................................................................................................................................................................................... 8 3433
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Bản Word lời giải chi tiết lh zalo: 083433213 4
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com Câu 46 Câu 6: 1
Cho hàm số bậc ba y f x 3 2
ax bx
x c và đường thẳng y g x có đồ thị như hình vẽ 3 sau:
Biết AB  5 . Diện tích hình phẳng giới hạn bởi đồ thị y f x , trục hoành và 2 đường thẳng
x  1, x  2 bằng GV: 5 13 17 19  Tr 12 12 12 12 ần Đ  Lời giải ình
.................................................................................................................................................................................... Cư
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Bản Word lời giải chi tiết lh zalo: 083433213 5
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com Câu 47 Câu 7: 1
Cho số phức z a bi,  ,
a b   thỏa mãn  z z  
i i z z  2 4 40 1 và z
 3i đạt giá trị nhỏ 2
nhất. Tính S  3b  8a
S  19
S  23
S  7  S  11  Lời giải
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.................................................................................................................................................................................... Tr ần Đ
.................................................................................................................................................................................... ình
.................................................................................................................................................................................... Cư –
.................................................................................................................................................................................... 083433
.................................................................................................................................................................................... 2133
.................................................................................................................................................................................... Câu 48 Câu 8:
Cho hàm số y f x có đạo hàm f  x 3
 4x 16x f 0  3 . Gọi k là số điểm cực tiểu của
hàm số g x   f x  2 2  1  
. Tính giá trị biểu thức 2
T  2k k  5 .
T  33 .
T  11.
T  20 .
T  96 .  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 6
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 49 Câu 9: 11 log x 3 log  3 x y
Có bao nhiêu số nguyên y  2
 022; 2022 để bất phương trình  x 10 10 3  3 có nghiệm đúng
với mọi số thực x  1;9 . 4044 . Ⓑ 4026 . Ⓒ 2022. Ⓓ 2023.  Lời giải GV:
.................................................................................................................................................................................... Tr ầ
.................................................................................................................................................................................... n Đ ình
.................................................................................................................................................................................... Cư
.................................................................................................................................................................................... – 08
.................................................................................................................................................................................... 3433
.................................................................................................................................................................................... 2133
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.................................................................................................................................................................................... Câu 50 Câu 10:
Có bao nhiêu giá trị nguyên của tham số m số hàm số f x 3 2
x  3x mx 10 đồng biến trên khoảng  1  ;  1 ? 3 . 4 . 5 . 6 .
Bản Word lời giải chi tiết lh zalo: 083433213 7
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com Lời giải
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.................................................................................................................................................................................... Tr
.................................................................................................................................................................................... ần Đ HẾT ình Cư – 083433 2133
Bản Word lời giải chi tiết lh zalo: 083433213 8
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
CHINH PHỤC ĐIỂM 8-9-10
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023 ĐỀ 11
Thời gian làm bài: 90 phút, không kể thời gian phát đề Câu 41 Câu 1:   
Cho hàm số y f x có đạo hàm liên tục trên 0;  đồng thời thỏa mãn 2      2  4  x   2  
f x dx  3 , sinx xf  dx  2     và f  4  
. Giá trị của f xsin d x x  bằng  2   2  0 0 0 8  5 3 8  5 2 8  5 2 8  5 3 . . . . 3 3 3 3  Lời giải
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.................................................................................................................................................................................... Tr ần Đ
.................................................................................................................................................................................... ình
.................................................................................................................................................................................... Cư –
.................................................................................................................................................................................... 083433
.................................................................................................................................................................................... 2133
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.................................................................................................................................................................................... Câu 42 Câu 2:
Cho hai số phức z , z thỏa mãn: z z  2 và z  4  4i  3 2  z . Gọi M , m lần lượt là giá 1 2 1 2 1 2
trị lớn nhất, giá trị nhỏ nhất của biểu thức P z 1 2i , giá trị 2 2
M m bằng 2 99 50 . 54 . 34 . . 2
Bản Word lời giải chi tiết lh zalo: 083433213 1
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com Lời giải
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.................................................................................................................................................................................... ần Đ Câu 43 ình Cư Câu 3: 2 2
Số giá trị nguyên của tham số m để phương trình m 1 log x 10 log x m  0 có hai nghiệm –   2 2 083433
phân biệt không nhỏ hơn 1 là 4 .
2 . 1. 3. 2133  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 2
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 44 Câu 4: x  2 y 1 z  2
Trong không gian Oxyz , cho đường thẳng d :   và mặt phẳng 4 4 3
(P) : 2x y  2z 1  0 . Đường thẳng  song song với (P) đồng thời tạo với d góc bé nhất. Biết 
rằng  có một véc tơ chỉ phương u  ( ; m ;
n 1) . Giá trị biểu thức 2 2
T m n bằng
T  5 .
T  2 .
T  3. T  4 .  Lời giải
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.................................................................................................................................................................................... Tr
.................................................................................................................................................................................... ần Đ ình
.................................................................................................................................................................................... Cư
.................................................................................................................................................................................... – 0
.................................................................................................................................................................................... 8 3433
.................................................................................................................................................................................... 2133
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.................................................................................................................................................................................... Câu 45 Câu 5: Biết phương trình 2 2
z mz  8  m  0 ( m là tham số thực) có hai nghiệm z , z . Gọi , A B, C lần 1 2
lượt là điểm biểu diễn của các số phức z , z z  2 . Có bao nhiêu giá trị của m để ABC đều? 1 2 0 1. 3. 4. 2.  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 3
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 46 GV: Câu 6: x  2 y 1 z Tr
Trong không gian Oxyz , cho đường thẳng  :   và mặt phẳng ầ 1 1 1  n Đ P
x y z   P ình   : 2 2 6
0 . Đường thẳng d nằm trong mặt phẳng   sao cho d cắt đồng thời Cư
vuông góc với đường thẳng  . Khi đó đường thẳng d đi qua điểm nào trong các điểm sau – đây? 083433
2;2;0 .
2; 2; 2 . 0;4;  1 . 2;3  ;1 .  Lời giải 2133
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Bản Word lời giải chi tiết lh zalo: 083433213 4
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 47 Câu 7:
Cho hàm số đa thức bận bốn y f x có đồ thị hàm số y f  x như hình vẽ: GV:
Tổng các giá trị nguyên của m để hàm số y f x 1  m  9 có đúng 3 điểm cực tiểu là Tr ầ 40 . 34 . 24 . 30. n Đ  ình Lời giải
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.................................................................................................................................................................................... 0 8 3433
.................................................................................................................................................................................... 2133
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Bản Word lời giải chi tiết lh zalo: 083433213 5
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com Câu 48 Câu 8:
Có bao nhiêu số nguyên dương x , sao cho ứng với mỗi giá trị của x có đúng 11 số nguyên y
thỏa mãn bất phương trình  y 2 2  5y xx   1  0 ? 55 . 34 . 130 . 88 .  Lời giải
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.................................................................................................................................................................................... –
.................................................................................................................................................................................... 0 8 3433
.................................................................................................................................................................................... 2133 Câu 49 Câu 9:
Cho hình nón  H  có đỉnh S và đáy là hình tròn tâm O , bán kính R , chiều cao 2R . Một mặt
phẳng đi qua đỉnh và cắt đường tròn đáy theo dây cung AB có độ dài bằng bán kính đáy. Tính
sin của góc tạo bởi OA và mặt phẳng SAB . 2 57 3 57 3 . . . . 19 2 19 4  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 6
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 50 Câu 10:
Gọi S là tập hợp tất cả các giá trị nguyên của m sao cho hàm số 4 3 2 2
y  x mx  2m x m 1 đồng
biến trên 1;  . Tổng tất cả các phần tử của S 0. 2. 1.  2.  GV: Tr  Lời giải ần Đ
.................................................................................................................................................................................... ình Cư
.................................................................................................................................................................................... –
.................................................................................................................................................................................... 083433
.................................................................................................................................................................................... 2133
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Bản Word lời giải chi tiết lh zalo: 083433213 7
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com GV: Tr ần Đ ình Cư – 083433 2133
Bản Word lời giải chi tiết lh zalo: 083433213 8
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
CHINH PHỤC ĐIỂM 8-9-10
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023 ĐỀ 12
Thời gian làm bài: 90 phút, không kể thời gian phát đề Câu 41 Câu 1:
Tìm m để hàm số f x 4 2
x  2mx  4 có 3 điểm cực trị phân biệt với hoành độ nằm trong khoảng  3  ;3 . 0;9.  3  ;  3 . 0;9 .  3  ;3 .  Lời giải
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.................................................................................................................................................................................... GV:
.................................................................................................................................................................................... Tr ần Đ
.................................................................................................................................................................................... ình
.................................................................................................................................................................................... Cư –
.................................................................................................................................................................................... 083433
.................................................................................................................................................................................... 2133
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.................................................................................................................................................................................... Câu 42 Câu 2:
Cho khối hộp chữ nhật ABC . D AB CD
  có AB a, AD  2a, diện tích tam giác C BD  bằng 2
6a (tham khảo hình vẽ)
Bản Word lời giải chi tiết lh zalo: 083433213 1
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
Thể tích của khối hộp chữ nhật đã cho bằng 2 6 4 3 4a . Ⓑ 3 2 6a . Ⓒ 3 a . Ⓓ 3 a . 3 3  Lời giải
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.................................................................................................................................................................................... Tr ầ
.................................................................................................................................................................................... n Đ ình
.................................................................................................................................................................................... Cư
.................................................................................................................................................................................... – 08 Câu 43 3433 Câu 3: 2133
Cho hàm số y f x có đạo hàm trên  thỏa mãn f  
1  1 và f x 3  x f  4 x  2 4
 3x  2x 1 4
với mọi x  . Khi đó .
x f xdx  bằng 1 I 15 . Ⓑ I  1. Ⓒ I  14 . Ⓓ I  6 .  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 2
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 44 Câu 4: 1 1
Có bao nhiêu số nguyên a  2023; 20  23 để phương trình 
x a có 2 log x  8 7x 1 3   nghiệm phân biệt? 2028 . Ⓑ 2016 . Ⓒ 2027 . Ⓓ 2015 .  Lời giải
........................................................................................................................................................................................
.................................................................................................................................................................................... GV:
.................................................................................................................................................................................... Tr ần Đ
.................................................................................................................................................................................... ình
.................................................................................................................................................................................... Cư
.................................................................................................................................................................................... – 083433
.................................................................................................................................................................................... 2133
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.................................................................................................................................................................................... Câu 45 Câu 5:
Trong không gian Oxyz , cho hai điểm A 1
 ;2;2 , B3;2;6. Xét hai điểm M , N thay đổi thuộc
mặt phẳng Oxy sao cho MN 16 . Giá trị nhỏ nhất của AM BN bằng. 4 13 . Ⓑ 4 5 . Ⓒ 5 3 . Ⓓ 2 15 .
Bản Word lời giải chi tiết lh zalo: 083433213 3
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com Lời giải
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.................................................................................................................................................................................... ần Đ Câu 46 ình Cư Câu 6: S ABCD a S Cho khối chóp .
có đáy là hình vuông cạnh , tam giác SAB vuông cân tại , tam giác – 08 a 13 3433
SCD SC SD
. Thể tích khối chóp đã cho bằng 4 2133 3 7 13 3 15 15 3 a . Ⓑ 3 a . Ⓒ 3 a . Ⓓ a . 16 24 64 32  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 4
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 47 Câu 7:
Cho hình trụ có bán kính đáy bằng 2a . Cắt hình trụ bởi một mặt phẳng song song với trục, cách
trục một khoảng bằng a ta được thiết diện là một hình chữ nhật có diện tích bằng 2 8 3a . Thể tích
khối trụ đã cho bằng 3 4 a  . Ⓑ 3 16 a  . Ⓒ 3 32 a  . Ⓓ 3 27 a  .  Lời giải
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.................................................................................................................................................................................... Tr ầ
.................................................................................................................................................................................... n Đ ình
.................................................................................................................................................................................... Cư
.................................................................................................................................................................................... – 083433
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.................................................................................................................................................................................... Câu 48 Câu 8: Giả sử z ; z 1
2 là hai trong số các số phức z thoả mãn  z  6  8  i.z  là một số thực. Biết rằng
z z  6 . Giá trị nhỏ nhất của biểu thức z  3z bằng 1 2 1 2 5  21 .
20  4 21 . 5   73 . 202 73.
Bản Word lời giải chi tiết lh zalo: 083433213 5
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com Lời giải
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.................................................................................................................................................................................... ần Đ Câu 49 ình Cư Câu 9:
Cho hình nón có thiết diện qua đỉnh là tam giác SAB vuông tại S , ( ,
A B thuộc đường tròn đáy). – 08
Biết tam giác SAB có bán kính đường tròn nội tiếp bằng 2 5  10 , đường cao SO tạo với mặt 3433
phẳng SAB một góc 30 . Diện tích xung quanh của hình nón đã cho bằng 2133 5 10 . Ⓑ 4 15 . Ⓒ 5 2 . Ⓓ 2 5 .  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 6
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 50 Câu 10:
Cho hàm số y f x có đạo hàm liên tục trên  . Biết f  7
  0 và đồ thị f x như hình vẽ.
Hàm số g x  f  4 2
x x   6 2 6 2
7  4x 12x có tối đa bao nhiêu điểm cực trị? GV: 5 . Ⓑ 9 . Ⓒ 7 . Ⓓ 3 . Tr ần Đ  Lời giải ình
.................................................................................................................................................................................... Cư
.................................................................................................................................................................................... – 08
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Bản Word lời giải chi tiết lh zalo: 083433213 7
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com GV: Tr ần Đ ình Cư – 083433 2133
Bản Word lời giải chi tiết lh zalo: 083433213 8
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
CHINH PHỤC ĐIỂM 8-9-10
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023 ĐỀ 13
Thời gian làm bài: 90 phút, không kể thời gian phát đề Câu 41 Câu 1:
Cho hình lăng trụ tam giác đều ABC.AB C
  có cạnh đáy bằng a và cạnh bên bằng 2a. Gọi M , N lần
lượt là trung điểm các cạnh BC, B C   và ,
P Q lần lượt là tâm các mặt ABB A   và ACC A   . Thể tích
khối tứ diện MNPQ bằng 3 3 a 3 a 3 3 a 3 3 a 3 . Ⓑ . Ⓒ . Ⓓ . 12 8 24 48  Lời giải
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.................................................................................................................................................................................... Tr ần Đ
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.................................................................................................................................................................................... Cư –
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.................................................................................................................................................................................... Câu 42 Câu 2:
Cho mặt cầu S  có bán kính bằng 4 , hình trụ  H  có chiều cao bằng 4 và hai đường tròn đáy V
nằm trên S  . Gọi V là thể tích khối trụ  H  và V là thể tích của khối cầu S  . Tỉ số 1 bằng 1 2 V2
Bản Word lời giải chi tiết lh zalo: 083433213 1
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com 9 3 2 1 . Ⓑ . Ⓒ . Ⓓ . 16 16 3 3  Lời giải
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.................................................................................................................................................................................... ần Đ Câu 43 ình Câu 3:
Có bao nhiêu số nguyên x sao cho ứng với mỗi x có không quá 127 số nguyên y thỏa mãn – 2 0 log x y  log
x y ? 8 3   2   3433 89 . Ⓑ 90. Ⓒ 46 . Ⓓ 45 . 2133  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 2
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 44 Câu 4:
Trong không gian với hệ tọa độ Oxyz , cho mặt phẳng  P : 2x  2y z  3  0 và điểm A1;  2;  3 .
Gọi M a;b;c  P sao cho AM  4 . Tính a b c . 2 8 . 2 . . 12 . 3 3  Lời giải
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.................................................................................................................................................................................... Tr ần Đ
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.................................................................................................................................................................................... Cư –
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.................................................................................................................................................................................... Câu 45 Câu 5:
Gọi S là tập hợp tất cả các giá trị thực của tham số thực m sao cho giá trị lớn nhất của hàm số 3
y x  3x m trên đoạn 0; 
3 bằng 16 . Tổng các phần tử của S bằng a 12 . Ⓑ 2 . Ⓒ 16 . Ⓓ 16 .  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 3
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 46 GV: Câu 6:
Trên mặt phẳng tọa độ, cho parabol  P 2
: y x d là đường thẳng đi qua điểm M 1; 2 . Biết Tr ần Đ 4
rằng diện tích hình phẳng giới hạn bởi d và  P bằng . Gọi ,
A B là giao điểm của d và  P . ình 3 Cư
Độ dài đoạn thẳng AB thuộc khoảng nào sau đây? –  9   11   11  9  0 4; . Ⓑ ; 6 . Ⓒ 5; . Ⓓ ; 5 . 8         3433  2   2   2   2   Lời giải 2133
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Bản Word lời giải chi tiết lh zalo: 083433213 4
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 47 Câu 7: Giả sử z , z z z  6 1
2 là hai trong các số phức z thỏa mãn  z  6  8  i z  là số thực. Biết rằng . 1 2
Giá trị nhỏ nhất của z  3z bằng 1 2 5   73. 5  21 202 73 20  4 21  Lời giải
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.................................................................................................................................................................................... Cư
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.................................................................................................................................................................................... Câu 48 Câu 8:
Cho hàm số bậc ba y f x có đồ thị là đường cong trong hình bên. Biết hàm số f x đạt cực
trị tại hai điểm x , x thỏa mãn x x  2 và f (x )  f (x )  0 . Gọi S S là diện tích của hai 1 2 2 1 1 2 1 2 S
hình phẳng được gạch trong hình bên. Tỉ số 1 bằng: S2
Bản Word lời giải chi tiết lh zalo: 083433213 5
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com 3 5 3 3 . . . . 4 8 8 5  Lời giải
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.................................................................................................................................................................................... Tr ầ
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.................................................................................................................................................................................... Cư
.................................................................................................................................................................................... – 083433
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.................................................................................................................................................................................... Câu 49 Câu 9:
Cho hình nón tròn xoay có chiều cao h  20cm , bán kính đáy r  25cm . Một thiết diện đi
qua đỉnh của hình nón có khoảng cách từ tâm đáy đến mặt phẳng chứa thiết diện là 12cm .
Tính diện tích của thiết diện đó. S   2 400 cm  . S   2 500 cm  . S   2 406 cm  . S   2 300 cm  .  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 6
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 50 GV: Câu 10:
Cho hàm số y f x có đạo hàm 2
f x x  8 x  9 với x   . Có bao nhiêu giá trị nguyên Tr        ần Đ
dương của m để hàm số g x  f  3
x  6x m có ít nhất 3 điểm cực trị? ình Cư 8 . Ⓑ 5. Ⓒ 6 . Ⓓ 7 . – 08  Lời giải 3433
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Bản Word lời giải chi tiết lh zalo: 083433213 7
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ HẾT GV: Tr ần Đ ình Cư – 083433 2133
Bản Word lời giải chi tiết lh zalo: 083433213 8
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
CHINH PHỤC ĐIỂM 8-9-10
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023 ĐỀ 14
Thời gian làm bài: 90 phút, không kể thời gian phát đề Câu 41 Câu 1:
Gọi S là tập hợp tất cả các giá trị thực của tham số m để đồ thị C  của hàm số 4 2 2 4
y x  2m x m  5 có ba điểm cực trị, đồng thời ba điểm cực trị đó cùng với gốc tọa độ O tạo
thành một tứ giác nội tiếp. Tìm tích các phần tử của S . 1 1 2 . . . 2 . 5 5  Lời giải
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.................................................................................................................................................................................... Tr ần Đ
.................................................................................................................................................................................... ình
.................................................................................................................................................................................... Cư
.................................................................................................................................................................................... – 083433
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.................................................................................................................................................................................... Câu 42 Câu 2:
Cắt hình nón đỉnh I bởi một mặt phẳng đi qua trục hình nón ta được một tam giác vuông cân có
cạnh huyền bằng a 2 ; BC là dây cung của đường tròn đáy hình nón sao cho mặt phẳng  IBC
tạo với mặt phẳng đáy hình nón một góc 0
60 . Tính theo a diện tích S của tam giác IBC .
Bản Word lời giải chi tiết lh zalo: 083433213 1
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com 2 2a 2 a 2 2a 2 2a S  . S  . S  . S  . 6 3 3 3  Lời giải
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.................................................................................................................................................................................... Tr ần Đ
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.................................................................................................................................................................................... Cư Câu 43 – 08 Câu 3: 3433
Trên tập hợp số phức, xét phương trình 2
z  a   2
3 z a a  0 ( a là tham số thực). Có bao 2133
nhiêu giá trị nguyên của a để phương trình có hai nghiệm phức z , z thoả mãn z z z z 1 2 1 2 1 2 ? 2 . 3 . 4 . 1.  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 2
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 44 Câu 4:      2 2
Cho hàm số f x có f   
f  x  1, x
  0; . Khi đó f xdx 2    bằng  2  2 sin x  6 2  2  1 2 5 2  1  2ln 2.  2 ln .  2ln 2.   ln . 9 9 2 36 9 2  Lời giải
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.................................................................................................................................................................................... Tr ầ
.................................................................................................................................................................................... n Đ ình
.................................................................................................................................................................................... Cư
.................................................................................................................................................................................... – 08
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.................................................................................................................................................................................... Câu 45 Câu 5:
Cho hai hàm số f x 4 3 2
ax bx cx  2x g x 3 2
mx nx  2x với , a , b , c ,
m n   . Biết hàm số
y f x  g x có ba điểm cực trị là 2
 , 1,3 . Diện tích hình phẳng giới hạn bởi hai đường
y f  x và g x bằng
Bản Word lời giải chi tiết lh zalo: 083433213 3
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com 131 131 125 125 . . . . 4 6 12 6  Lời giải
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.................................................................................................................................................................................... n Đ ình
.................................................................................................................................................................................... Cư Câu 46 – 08 Câu 6: 3433
Trong không gian với hệ tọa độ Oxyz cho mặt cầu S  có phương trình 2133 2 2 2
x y z  2a  4bx  2a b cy  2b cz d  0 , tâm I nằm trên mặt phẳng   cố
định. Biết rằng 4a b  2c  4 . Khoảng cách từ điểm D 1; 2; 2 đến mặt phẳng   bằng 9 1 1 15 . . . . 15 314 915 23  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 4
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 47 Câu 7:
Giả sử  x; y là cặp số nguyên thỏa mãn đồng thời 8  x  2022 và 2y log  y 1 x 2   
 2x y . Tổng 2 
các giá trị của y bằng 60. 63. 2022. 49.  Lời giải
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.................................................................................................................................................................................... ần Đ
.................................................................................................................................................................................... ình Cư
.................................................................................................................................................................................... – 0
.................................................................................................................................................................................... 8 3433
.................................................................................................................................................................................... 2133
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.................................................................................................................................................................................... Câu 48 Câu 8:
Gọi S là tập họp các số phức z thỏa mãn | z 1 2i | 9 và | z  2  mi | |
z m i | , (trong đó m  )
. Gọi z , z là hai số phức thuộc S sao cho z z lớn nhất, khi đó giá trị của z z bằng 1 2 1 2 1 2 2 5 . 6 . 5 . 18 . Lời giải
Bản Word lời giải chi tiết lh zalo: 083433213 5
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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.................................................................................................................................................................................... Tr ầ Câu 49 n Đ Câu 9: ình
Trong không gian Oxyz , cho các điểm A0;0; 2 và B 3; 4; 
1 . Gọi  P là mặt phẳng chứa Cư 2 2 2 –
đường tròn giao tuyến của hai mặt cầu S : x 1  y  2  z 1  16 với 1        083433 S  2 2 2
: x y z  2x  4 y 10  0 . M , N là hai điểm thuộc  P sao cho MN  1. Giá trị nhỏ nhất 2 2133
của AM BN 34 1. 34 . 5 . 4  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 6
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 50 Câu 10:
Có bao nhiêu giá trị nguyên thuộc đoạn  2
 019; 2019 của tham số thực m để hàm số 3
y x  m   2 3
2 x  3m m  4 x đồng biến trên khoảng 0; 2 ? 4039 . 4037 . 2019 . 2016 . Lời giải
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.................................................................................................................................................................................... Tr ần Đ
.................................................................................................................................................................................... ình
.................................................................................................................................................................................... Cư –
.................................................................................................................................................................................... 083433
.................................................................................................................................................................................... 2133
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.................................................................................................................................................................................... HẾT
Bản Word lời giải chi tiết lh zalo: 083433213 7
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com GV: Tr ần Đ ình Cư – 083433 2133
Bản Word lời giải chi tiết lh zalo: 083433213 8
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
CHINH PHỤC ĐIỂM 8-9-10
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023 ĐỀ 15
Thời gian làm bài: 90 phút, không kể thời gian phát đề Câu 41 Câu 1:
Có bao nhiêu giá trị nguyên của m để hàm số 4
y mx   2 m   2
4 x  2 có đúng một điểm cực đại
và không có điểm cực tiểu? 3 . 0 . 2 . 1.  Lời giải
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.................................................................................................................................................................................... Tr
.................................................................................................................................................................................... ần Đ
.................................................................................................................................................................................... ình Cư
.................................................................................................................................................................................... – 0
.................................................................................................................................................................................... 8 3433
.................................................................................................................................................................................... 2133
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.................................................................................................................................................................................... Câu 42 Câu 2:
Cho khối lăng trụ ABC.  A
B C có AB  3a, AC  4a, BC  5a, khoảng cách giữa hai đường thẳng AB và  B C bằng 2 .
a Gọi M , N lần lượt là trung điểm của 
A B và AC , (tham khảo hình vẽ
dưới đây). Thể tích V của khối chóp . A BCNM
Bản Word lời giải chi tiết lh zalo: 083433213 1
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com A' N C' M B' A C B 3
V  7a 3
V  8a 3
V  6a 3 V  4a   Lời giải
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.................................................................................................................................................................................... Tr ầ
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.................................................................................................................................................................................... Câu 43 Câu 3:
Cho hai số phức z và w thỏa mãn z  4, w  2 . Khi z  w  5 12i đạt giá trị lớn nhất, phần
thực của z iw bằng 30 4 44 58 .  . . . 13 13 13 13  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 2
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 44 Câu 4:
Có bao nhiêu cặp số nguyên  x; y thỏa mãn 0  x  4000 và 525y  2y  x  log  x  5 1  4 ? 5 GV: 5. Ⓑ 2 . Ⓒ 4 . Ⓓ 3. Tr ầ  n Đ Lời giải ình
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Bản Word lời giải chi tiết lh zalo: 083433213 3
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com Câu 45 Câu 5:
Cho khối lăng trụ ABC.A BC
  có đáy ABC là tam giác vuông cân tại B AC  2a . Hình chiếu
vuông góc của A trên mặt phẳng  ABC là trung điểm H của cạnh AB AA  a 2 . Tính thể
tích V của khối lăng trụ đã cho. 3 a 6 3 a 6 3 V a 3 V 2 V  2a 2 V  6 2  Lời giải
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.................................................................................................................................................................................... Tr ầ
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.................................................................................................................................................................................... Cư
.................................................................................................................................................................................... – 08
.................................................................................................................................................................................... 3433
.................................................................................................................................................................................... 2133
.................................................................................................................................................................................... Câu 46 Câu 6:
Cho hình thang ABCD vuông tại ADCD  2AB  2AD  6. Tính thể tích V của khối tròn
xoay sinh ra bởi hình thang ABCD khi quanh xung quanh đường thẳng B A B D C 135 2 63 2 45 2 V  .
V  36 2. V  . V  . 4 2 2
Bản Word lời giải chi tiết lh zalo: 083433213 4
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com Lời giải
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.................................................................................................................................................................................... ần Đ Câu 47 ình Cư Câu 7: 2 x
Cho phương trình 4log x  log x 5 7  m  0 ( m là tham số thực). Có tất cả bao nhiêu giá 2 2  083433
trị nguyên dương của m để phương trình đã cho có đúng hai nghiệm phân biệt? 47 49 Vô số 48 2133  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 5
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 48 Câu 8:
Cho hình chóp S.ABC AB  4a, BC  3 2a,    ABC  45 ;
SAC SBC  90 ; Sin góc giữa hai mặt 2
phẳng SAB và SBC bằng
. Bán kính mặt cầu ngoại tiếp hình chóp đã cho bằng 4 a 183 a 183 5a 3 3a 5 . Ⓑ . Ⓒ . Ⓓ . 6 3 12 12  Lời giải
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.................................................................................................................................................................................... Tr ầ
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.................................................................................................................................................................................... Câu 49 Câu 9:
Trên tập hợp các số phức, xét phương trình 2
z  2mz m 12  0 ( m là tham số thực). Có bao
nhiêu giá trị nguyên của m để phương trình đó có hai nghiệm phân biệt z z 1 , 2 thỏa mãn z z
2 z z ? 1 2 1 2 1. 2 . 3 . 4 . Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 6
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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.................................................................................................................................................................................... GV: Câu 50 Tr Câu 10: ần Đ
Có tất cả bao nhiêu giá trị nguyên của tham số m để hàm số 4 3 2
y  3x mx  6x m  3 đồng ình
biến trên khoảng 0; ? Cư – 5 6 4 7 08 3433  Lời giải 2133
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Bản Word lời giải chi tiết lh zalo: 083433213 7
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ HẾT GV: Tr ần Đ ình Cư – 083433 2133
Bản Word lời giải chi tiết lh zalo: 083433213 8
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
CHINH PHỤC ĐIỂM 8-9-10
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023 ĐỀ 16
Thời gian làm bài: 90 phút, không kể thời gian phát đề Câu 41 Câu 1: mx  2m  3 Cho hàm số y
với m là tham số. Gọi S là tập hợp tất cả các giá trị nguyên của m x m
để hàm số đồng biến trên khoảng 2; . Tìm số phần tử của S 4 . 1. 3. 5.  Lời giải
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.................................................................................................................................................................................... Tr
.................................................................................................................................................................................... ần Đ
.................................................................................................................................................................................... ình Cư
.................................................................................................................................................................................... – 0
.................................................................................................................................................................................... 8 3433
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.................................................................................................................................................................................... Câu 42 Câu 2:
Trong không gian với hệ tọa độ Oxyz , cho mặt phẳng  P đi qua điểm M 2;3;5 cắt các tia
Ox, Oy, Oz lần lượt tại ba điểm , A B, C sao cho ,
OA OB, OC theo thứ tự lập thành cấp số nhân có
công bội bằng 3 . Khoảng cách từ O đến mặt phẳng  P bằng 16 24 32 18 . . . . 91 91 91 91  Lời giải
Bản Word lời giải chi tiết lh zalo: 083433213 1
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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.................................................................................................................................................................................... Tr ầ Câu 43 n Đ Câu 3: ình a  Cư
Một khối nón có thể tích bằng 3 9
2 . Tính bán kính R đáy khối nón khi diện tích xung quanh nhỏ nhất. – 08 3a 3a 3433
R  3a . R  . 3
R  9a . R  . 6 2 3 2 2133  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 2
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 44 Câu 4:
Hỏi có tất cả bao nhiêu giá trị nguyên của tham số m  20  ; 20 để hàm số f x 4  x   2  m  3 x   2 m m  2 3 4 1 2 6 2
x 12mx 1 nghịch biến trên khoảng 0  ;1 ? 2 . 20 . 19 . 21.  Lời giải
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.................................................................................................................................................................................... Tr
.................................................................................................................................................................................... ần Đ
.................................................................................................................................................................................... ình Cư
.................................................................................................................................................................................... – 0
.................................................................................................................................................................................... 8 3433
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.................................................................................................................................................................................... Câu 45 Câu 5:
Trong tập hợp các số phức, cho phương trình 2
z  2 a  45 z  2016  80a  0 ( a là tham số
thực). Có tất cả bao nhiêu giá trị nguyên dương của a để phương trình có hai nghiệm phân biệt
z , z sao cho z z 1 2 1 2 7 . 8. 9. 10 .  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 3
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 46 GV: Câu 6:
Cho hình chóp tam giác đều S.ABC có cạnh đáy bằng a 3 . Gọi M , N lần lượt là trung điểm Tr ần Đ
của SB, SC . Biết mặt phẳng  AMN  vuông góc với mặt phẳng  SBC . Tính thể tích của khối ình chóp . A BCNM . Cư 3 3a 15 3 3a 15 3 3a 15 3 a 15 – . . . . 0 16 48 32 32 8 3433  Lời giải 2133
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Bản Word lời giải chi tiết lh zalo: 083433213 4
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 47 Câu 7:
Cho khối đa diện (minh họa như hình vẽ bên) trong đó ABC . D A BCD
  là khối hộp chữ nhật với
AB AD  2a , AA  a , S.ABCD là khối chóp có các cạnh bên bằng nhau và SA a 3 . Thể tích khối tứ diện SA BD bằng 3 3 3 GV: a 2 2a a 2 . 3 2a . . . Tr 2 3 6 ần Đ  Lời giải ình
.................................................................................................................................................................................... Cư
.................................................................................................................................................................................... – 08
.................................................................................................................................................................................... 3433
.................................................................................................................................................................................... 2133
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Bản Word lời giải chi tiết lh zalo: 083433213 5
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com Câu 48 Câu 8: Cho các số thực ,
b c sao cho phương trình 2
z bz c  0 có hai nghiệm phức z , z thỏa mãn 1 2
z  4  3i  1 và z  8  6i  4 . Mệnh đề nào sau đây đúng? 1 2
5b c  1  2.
5b c  4.
5b c  4.
5b c  12.  Lời giải
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.................................................................................................................................................................................... ần Đ
.................................................................................................................................................................................... ình Cư
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.................................................................................................................................................................................... 8 3433
.................................................................................................................................................................................... 2133 Câu 49 Câu 9: Có bao nhiêu bộ  ; x y với x, y nguyên và
1  x, y  2020 thỏa mãn  2 y   2x 1  
xy  2x  4 y  8 log
 2x  3y xy  6 log ? 3     2   y  2    x  3  2017 . Ⓑ 4034 . 2 . Ⓓ 20172020.  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 6
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 50 Câu 10:
Có bao nhiêu giá trị nguyên của m thuộc [0;5] để hàm số 3 2
y x  3(m  2)x  3m(m  4)x đồng
biến trên khoảng (0;3) ? 5 . 3 . 4 . 6 . Lời giải GV:
.................................................................................................................................................................................... Tr ần Đ
.................................................................................................................................................................................... ình
.................................................................................................................................................................................... Cư –
.................................................................................................................................................................................... 083433
.................................................................................................................................................................................... 2133
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Bản Word lời giải chi tiết lh zalo: 083433213 7
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com HẾT GV: Tr ần Đ ình Cư – 083433 2133
Bản Word lời giải chi tiết lh zalo: 083433213 8
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
CHINH PHỤC ĐIỂM 8-9-10
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023 ĐỀ 17
Thời gian làm bài: 90 phút, không kể thời gian phát đề Câu 41 Câu 1:
Cho số phức z x yi, ,
x y   thỏa mãn z  2  i z  3  4i z 2  3i  2y 1  y   1 i là số
thuần ảo. Giá trị của 11x 11y bằng 16  . Ⓑ 28 . Ⓒ 16 . Ⓓ 28  .  Lời giải
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.................................................................................................................................................................................... Tr ần Đ
.................................................................................................................................................................................... ình
.................................................................................................................................................................................... Cư
.................................................................................................................................................................................... – 083433
.................................................................................................................................................................................... 2133
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.................................................................................................................................................................................... Câu 42 Câu 2:
Cho hình hình chóp S.ABCD có đáy ABCD là hình vuông cạnh a, SA vuông góc với mặt phẳng
đáy và SA  7a . Khoảng cách giãu hai đường thẳng BD SC bằng 14a 14a 14a . Ⓑ . Ⓒ 14a . Ⓓ . 3 6 12  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 1
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 43 GV: Câu 3:
Cho hình nón có đường sinh bằng avà góc ở đỉnh bằng 0
90 . Cắt hình nón đó bởi một mặt phẳng Tr ần Đ
đi qua đỉnh của hình nón và tạo với mặt đáy của hình nón một góc 0
60 ta được một thiết diện ình
có diện tích bằng Cư 2 a 2 2 2a 2 2 a 2 2 a 6 . . . . – 3 3 6 3 08  3433 Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 2
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 44 Câu 4: x  1   3t
Trong không gian Oxyz , cho hai điểm A1;1;  
1 , B 7; 2;2 và đường thẳng  :  y  2  2t . Gọi
z  2  2t
P là mặt phẳng chứa đường thẳng  , khoảng cách từ A đến  P gấp đôi khoảng cách từ B đến  P và ,
A B nằm khác phía so với  P . Biết rằng phương trình  P có dạng
ax by cz  28  0. Giá trị của a b c bằng 26. Ⓑ 26 . Ⓒ 34 . Ⓓ 34 .  Lời giải
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.................................................................................................................................................................................... Tr ầ
.................................................................................................................................................................................... n Đ ình
.................................................................................................................................................................................... Cư
.................................................................................................................................................................................... – 08
.................................................................................................................................................................................... 3433
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.................................................................................................................................................................................... Câu 45 Câu 5:
Bạn An được gia đình gửi vào sổ tiết kiệm 200 triệu đồng với lãi suất 0,5% một tháng theo hình
thức lãi kép. Nếu mỗi tháng An rút ra một số tiền như nhau vào ngày ngân hàng trả lãi thì hàng
tháng An rút ra số tiền gần nhất với số nào sau đây để đúng sau 4 năm vừa hết số tiền trong sổ tiết kiệm? 4687000 đồng. Ⓑ 4697000 đồng. Ⓒ 4690000 đồng. Ⓓ 4700000 đồng.
Bản Word lời giải chi tiết lh zalo: 083433213 3
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com Lời giải
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.................................................................................................................................................................................... ần Đ Câu 46 ình Cư Câu 6:
Xét hai số phức z , z thoả mãn z 1 i  1, z 1 i  2 và z z  2  2i  3 . Giá trị lớn nhất – 1 2 1 2 1 2 08
3z  2z 1 5i 3433 của bằng 1 2 6  37 . Ⓑ 5  23 . Ⓒ 6  11 . Ⓓ 6  13 . 2133  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 4
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 47 Câu 7: Cho phương trình log 2   4x x m
m với m là tham số thực. Có bao nhiêu giá trị nguyên của 2   m 2
 7; 27 sao cho phương trình trên có nghiệm? 10 . 26 . 1. 53 . Lời giải
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.................................................................................................................................................................................... Tr
.................................................................................................................................................................................... ần Đ
.................................................................................................................................................................................... ình Cư
.................................................................................................................................................................................... – 0
.................................................................................................................................................................................... 8 3433
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.................................................................................................................................................................................... Câu 48 Câu 8: y 1 
Xét hai số thực dương x, y thay đổi và thỏa mãn log  2
x  2 y   2 1   9  x y 1 . Giá trị 3    
nhỏ nhất của biểu thức 2
P x  2 y bằng 11 27 5   6 3 . Ⓑ . Ⓒ 4   6 2 . Ⓓ . 2 5  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 5
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 49 GV: Câu 9:
Cho hình chóp S.ABCD có đáy ABCD là hình bình hành. Gọi M , N lần lượt thuộc các đoạn Tr ầ AB AD n Đ
thẳng AB, AD ( M , N không trùng với A ) sao cho  x
y thỏa mãn x  2 y  4 và ình AM ANV V
S.AMN đạt giá trị nhỏ nhất. Giá trị của 2 2 S. ABD x y  bằng V V S.ABCD S .AMN 083433 9 . Ⓑ 7 . Ⓒ 5 . Ⓓ 6 .  Lời giải 2133
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Bản Word lời giải chi tiết lh zalo: 083433213 6
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 50 Câu 10:
Cho hàm số f x 3 2
x bx cx d có đồ thị là đường cong trong hình bên dưới. y 2 2 x O -2
Số nghiệm của phương trình f f x  4  f x 1   là GV: 7 . 4 . 3 . 2 . Tr ần Đ  Lời giải ình
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.................................................................................................................................................................................... – 08
.................................................................................................................................................................................... 3433
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Bản Word lời giải chi tiết lh zalo: 083433213 7
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com GV: Tr ần Đ ình Cư – 083433 2133
Bản Word lời giải chi tiết lh zalo: 083433213 8
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
CHINH PHỤC ĐIỂM 8-9-10
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023 ĐỀ 18
Thời gian làm bài: 90 phút, không kể thời gian phát đề Câu 41 Câu 1: 2 cosx m
Gọi S là tập hợp tất cả các giá trị thực của tham số m để hàm số y  có giá trị lớn nhất 2  c sx o      trên ; 
bằng 1. Số phần tử của S là: 2 3    2 . 3 . 1. 0 .  Lời giải
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.................................................................................................................................................................................... GV:
.................................................................................................................................................................................... Tr ần Đ
.................................................................................................................................................................................... ình
.................................................................................................................................................................................... Cư –
.................................................................................................................................................................................... 083433
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.................................................................................................................................................................................... Câu 42 Câu 2:
Cho hình chóp S.ABCD có đáy ABCD là hình bình hành. Gọi M , N là hai điểm lần lượt nằm trên AB AD
các đoạn thẳng AB AD ( M , N không trùng A ) sao cho  2
 4 . Gọi V V ' lần lượt AM AN V '
là thể tích của các khối chóp S.ABCD S.MBCDN . Giá trị nhỏ nhất của bằng V
Bản Word lời giải chi tiết lh zalo: 083433213 1
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com 1 1 3 2 . . . . 3 2 4 3  Lời giải
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.................................................................................................................................................................................... Tr ầ
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.................................................................................................................................................................................... Cư Câu 43 – 08 Câu 3: 3433
Xét ba số phức z, z , z thoả mãn z i z  1 , z  3 5  5 và z  4 5i  2 5 . Giá trị nhỏ 1 2 1 2 2133
nhất của 5z z
5z z bằng 1 2 4 5 . 10 5 . 7 5 . 2 5 . Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 2
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 44 Câu 4:
Cho hình nón có góc ở đỉnh bằng 0
120 . Một mặt phẳng qua đỉnh hình nón và cắt hình nón theo
một thiết diện là một tam giác vuông có diện tích bằng 6 . Thể tích của khối nón được giới hạn
bởi hình nón đã cho bằng 9 3 . 27 . 3 3 . 9 .  Lời giải
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.................................................................................................................................................................................... GV:
.................................................................................................................................................................................... Tr ầ
.................................................................................................................................................................................... n Đ ình
.................................................................................................................................................................................... Cư
.................................................................................................................................................................................... – 083433
.................................................................................................................................................................................... 2133
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.................................................................................................................................................................................... Câu 45 Câu 5:  1 
Cho hàm số f x thỏa mãn xf x 2 2
x f  x  1, với mọi x   \   0 và f  
1  0 . Giá trị của f  2    bằng 2 . Ⓑ 1. Ⓒ 6 . Ⓓ 1.
Bản Word lời giải chi tiết lh zalo: 083433213 3
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com Lời giải
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.................................................................................................................................................................................... ần Đ Câu 46 ình Cư Câu 6: Oxyz
A a; 0; 0 ,B 0;b; 0 , C 0; 0; c a b c Trong không gian , cho ba điểm     
 với , , là các số thực – 08
dương thỏa mãn a b c  4 . Biết khi a, ,
b c thay đổi thì tâm I của mặt cầu ngoại tiếp tứ diện 3433
OABC thuộc một mặt phẳng  P cố định. Khoảng cách từ điểm M 1; 2;3 đến mặt phẳng  P 2133 bằng 3 2 3 4 3 3 . Ⓑ . Ⓒ . Ⓓ . 3 3 3  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 4
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 47 Câu 7: 1
Cho các số thực a, b thỏa mãn a  , b  1. Giá trị nhỏ nhất của log b  log a a  bằng a b  4 2 25 625 5  5 2 3 . 3 . 2 . 2 2 .  Lời giải
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.................................................................................................................................................................................... GV:
.................................................................................................................................................................................... Tr ần Đ
.................................................................................................................................................................................... ình
.................................................................................................................................................................................... Cư –
.................................................................................................................................................................................... 083433
.................................................................................................................................................................................... 2133
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.................................................................................................................................................................................... Câu 48 Câu 8:  2 2 4 e f ln x 4 f x Biết tan x. f   2
cos xdx  1 và dx  2  . Khi đó dx x ln x  bằng x 0 e 1 2 2 . 4 . 6 . 3 .
Bản Word lời giải chi tiết lh zalo: 083433213 5
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com Lời giải
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.................................................................................................................................................................................... ần Đ Câu 49 ình Cư Câu 9: Xét các số ,
a b là các số nguyên dương nhỏ hơn 2022. Biết rằng với mỗi giá trị của b luôn có ít – 0 a b2 ba b 8
nhất 1000 giá trị của a thỏa mãn 2  2 log
b  4 1. Số giá trị b a 1  3433 1019 . Ⓑ 1020 . Ⓒ 1021. Ⓓ 1022 . 2133  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 6
CHINH PHỤC 8+, 9+ VÀ 10
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........................................................................................................................................................................................ Câu 50 Câu 10:
Cho hàm số y f x có đồ thị đạo hàm được cho như hình vẽ bên dưới và có f   1 1. GV: Tr
Gọi S là tập chứa tất cả các giá trị nguyên của tham số m 2  020; 202  0 để hàm số ần Đ y f   x  2 2 2
x  2mx  12 đồng biến trên khoảng 1;3 . Số phần tử của tập S tương ứng bằng ình Cư 4029 . 4028 . 4027 . 4033. – 08  Lời giải 3433
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Bản Word lời giải chi tiết lh zalo: 083433213 7
CHINH PHỤC 8+, 9+ VÀ 10
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Bản Word lời giải chi tiết lh zalo: 083433213 8
CHINH PHỤC 8+, 9+ VÀ 10
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CHINH PHỤC ĐIỂM 8-9-10
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023 ĐỀ 19
Thời gian làm bài: 90 phút, không kể thời gian phát đề Câu 41 Câu 1: 1
Cho hàm số y f x xác định và liên tục trên  thỏa mãn f x 2  3x  6x
f x dx  và 0 1 2 1 
f x dx  
. Giá trị của f 3 bằng 5 2 0 6. 6 . 18. 18 .  Lời giải
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.................................................................................................................................................................................... ần Đ
.................................................................................................................................................................................... ình Cư
.................................................................................................................................................................................... – 0
.................................................................................................................................................................................... 8 3433
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.................................................................................................................................................................................... Câu 42 Câu 2:
Cho tứ diện ABCD , tam giác ABC vuông cân tại B , DA   ABC  , M là trung điểm của cạnh 1
AC , AB a , góc giữa đường thẳng CD với mặt phẳng  BDM  bằng  biết sin   . Thể tích 3
khối tứ diện ABCD bằng
Bản Word lời giải chi tiết lh zalo: 083433213 1
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com 3 a 3 a 3 a 2 3 a . . . . 6 3 3 2  Lời giải
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.................................................................................................................................................................................... Câu 43 Câu 3: Trong không gian 2 2 2
Oxyz, cho mặt cầu S  :  x  2   y  3   z  4  2 và điểm A1; 2;3. Xét
các điểm M thuộc S  sao cho đường thẳng AM tiếp xúc với S , M luôn thuộc mặt phẳng có phương trình là
2x  2 y  2z 15  0 .
2x  2 y  2z 15  0 .
x y z  7  0 .
x y z  7  0  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 2
CHINH PHỤC 8+, 9+ VÀ 10
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Cho hình vuông ABCD quay quanh cạnh AD một góc 45 , tạo thành khối T  như hình vẽ, ình
biết AB  1. Mặt phẳng  BCNM  chia khối T  thành hai khối có thể tích tương ứng V ,V . 1 2 Cư – D N 083433 C 2133 M A B
Giá trị minV ;V bằng 1 2    2  2  2    2 2   2   1 . . . . 8 12 8 12  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 3
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 45 Câu 5:
Cho hàm số y f x , đồ thị y f ' x là đường cong trong hình dưới. Giá trị lớn nhất của hàm
số g x  f x 2 2
 4x  6x  2 trên đoạn  1   ;1 . GV: Tr ần Đ ình Cư – 083433 2133
f 4  30 .
f 2 12 . f   1 . f  2   12 .  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 4
CHINH PHỤC 8+, 9+ VÀ 10
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........................................................................................................................................................................................ Câu 46 Câu 6:
Cho hàm số y f x có bảng biến thiên như hình vẽ GV: Tr ần Đ ình 1 2 3 Cư f ' x   1 Giá trị I
f '2xdx dx   bằng – 2 1  0 0 8 3433 3 . 2021. 10. 5.  Lời giải 2133
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Bản Word lời giải chi tiết lh zalo: 083433213 5
CHINH PHỤC 8+, 9+ VÀ 10
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........................................................................................................................................................................................ Câu 47 Câu 7:
Có bao nhiêu số nguyên dương y sao cho ứng với mỗi y có không quá 10000 số nguyên x
thỏa mãn log x 1  x  3 log x y  0  3     ? 5  5 . 2 . 3 . 4 .  Lời giải
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.................................................................................................................................................................................... Câu 48 Câu 8:
Cho z , z  thỏa mãn z  2  i z 1 i  1 và z  2z i  3 . Giá trị nhỏ nhất của 1 2 1 2 1 2
2z z 1  a b c với a,b, c  , c  20 . Giá trị a b c bằng 1 2 10. 11. 7. 12.  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 6
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 49 Câu 9: 2 2
Trong không gian Oxyz. Cho phương trình mặt cầu S   x   2 :
1  y   z   1  4; GV: x  1 Tr ầ  n Đ
S x y   z  2 2 2 ' : 1
 1 và đường thẳng  :  y  8  t mặt phẳng   tiếp xúc với hai mặt cầu ình z  3 t  Cư
S  và S ' . Gọi M   ; N   sao cho MI luôn tiếp xúc với mặt cầu S ' , với M  2  ;0  ;1 . – 08
Độ dài đoạn thẳng MN nhỏ nhất bằng a 2  b với a,b N . Giá trị a b bằng 3433 9 . 8 . 7 . 6 . 2133  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 7
CHINH PHỤC 8+, 9+ VÀ 10
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........................................................................................................................................................................................ Câu 50 Câu 10:
Cho hàm số y f x liên tục trên  và có bảng biến thiên như sau: 1 Phương trình f  4 2
8x  8x   1 
có tất cả bao nhiêu nghiệm thực phân biệt? 2 8 . 12. 6 . 10 . GV:  Lời giải Tr
.................................................................................................................................................................................... ần Đ
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Bản Word lời giải chi tiết lh zalo: 083433213 8
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com GV: Tr ần Đ ình Cư – 083433 2133
Bản Word lời giải chi tiết lh zalo: 083433213 9
CHINH PHỤC 8+, 9+ VÀ 10
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CHINH PHỤC ĐIỂM 8-9-10
HƯỚNG ĐẾN KÌ THI TỐT NGHIỆP THPT QUỐC GIA 2023 ĐỀ 20
Thời gian làm bài: 90 phút, không kể thời gian phát đề Câu 41 Câu 1: z  5  4i
Cho số phức z x yi  ,
x y   thỏa mãn z  2  3i  5 và
 1. Gọi M , m lần lượt là giá z  2  3i
trị lớn nhất, giá trị nhỏ nhất của biểu thức 2 2
P x y 10x  6 .
y Giá trị M m bằng: 32 . 28 . 32 . 28  .  Lời giải
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.................................................................................................................................................................................... Câu 42 Câu 2:
Một téc nước hình trụ đang chứa nước được đặt nằm ngang, có chiều dài 3 m và đường kính đáy 1 .
m Hiện tại mặt nước trong téc cách phía trên đỉnh của téc nước là 0, 25 m (xem hình vẽ).
Tính thể tích của nước trong téc (kết quả làm tròn đến hàng phần nghìn)?
Bản Word lời giải chi tiết lh zalo: 083433213 1
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com 3 1,896 m . 3 1,895 m . 3 1,167 m . 3 1, 768m .  Lời giải
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.................................................................................................................................................................................... Câu 43 Câu 3: x 1 y z 1
Trong không gian với hệ tọa độ Oxyz , cho đường thẳng  :   và mặt phẳng 1  2 1
  : x  2y  2z 1  0 . Biết mặt phẳng P chứa  và tạo với   một góc nhỏ nhất có
phương trình dạng 7x by cx d  0 . Giá trị b c d là: 23 . 3 . 5 . 3 .  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 2
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 44 Câu 4: Cho hàm số   3 2
f x x ax bx c có đồ thị C  . Biết rằng tiếp tuyến d của C  tại điểm A có hoành độ bằng 1
 cắt C tại điểm B có hoành độ bằng 2 (xem hình vẽ). Diện tích hình phẳng m m
giới hạn bởi d và C (phần gạch chéo) bằng (với ,
m n nguyên dương và phân số tối n n
giản). Giá trị m n bằng: GV: Tr ần Đ ình Cư – 083433 2133 29 . 15 . Ⓒ 31. 13 .  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 3
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 45 Câu 5: 2
Có bao nhiêu số thực m để phương trình 4 xm log  2  2  3  2x x x x log
2 x m  2 có 3 1 3   3
nghiệm thực phân biệt: vô số. 3 . 2 . 4 .  Lời giải
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.................................................................................................................................................................................... Câu 46 Câu 6:
Có bao nhiêu số phức z thỏa mãn 2 z i z z  2i và 2  zi z là số thực: 4 Ⓑ 1 Ⓒ 3 Ⓓ 2  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 4
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 47 Câu 7:  6 2 GV: sin d x x 1 Biết tích phân  
aln3b c 3, với a,b,c là các số nguyên. Giá trị a b c Tr
sin x  3 cos x 16 0 ần Đ bằng ình 1. 4 . 3 . 11. Cư  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 5
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com Câu 8 Câu 8:
Trong không gian với hệ tọa độ Oxyz , cho mặt phẳng  P : 2x  2y z  5  0 . Viết phương trình
mặt phẳng Q song song với mặt phẳng  P , cách  P một khoảng bằng 3 và cắt trục Ox tại điểm có hoành độ dương.
Q : 2x  2y z  4  0.
Q : 2x  2y z 14  0 .
Q : 2x  2y z 19  0 .
Q : 2x  2y z 8  0 .  Lời giải
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.................................................................................................................................................................................... Tr ần Đ
.................................................................................................................................................................................... ình
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.................................................................................................................................................................................... 083433
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.................................................................................................................................................................................... Câu 49 Câu 9:
Trong không gian với hệ tọa độ Oxyz , cho điểm M 3;0;4 và mặt cầu S  :
x  2   y  2   z  2 1 2 4
 9 . Qua điểm M vẽ ba tia Mu ; Mv ; Mw đôi một vuông góc với
nhau và cắt mặt cầu S  lần lượt tại các điểm A ; B ; C . Gọi E là đỉnh đối diện với đỉnh M
của hình hộp chữ nhật có ba cạnh là MA ; MB ; MC . Biết điểm E luôn thuộc một mặt cầu cố
định khi ba tia Mu ; Mv ; Mw thay đổi thỏa mãn đề bài. Tính bán kính mặt cầu đó: 2 3 . 4 2 . 13 . 11 .  Lời giải
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Bản Word lời giải chi tiết lh zalo: 083433213 6
CHINH PHỤC 8+, 9+ VÀ 10
Web:Toanthaycu.com
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........................................................................................................................................................................................ Câu 50 Câu 10:
Cho hàm số f x có đạo hàm trên  và f  
1  1. Đồ thị hàm số y f  x như hình bên. Có bao   
nhiêu số nguyên dương a để hàm số y  4 f sin x  cos 2x a nghịch biến trên 0;   ?  2  GV: Tr ần Đ ình Cư 2 . 3 . Vô số. 5 . 08 3433  Lời giải 2133
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Bản Word lời giải chi tiết lh zalo: 083433213 7
CHINH PHỤC 8+, 9+ VÀ 10
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........................................................................................................................................................................................ HẾT GV: Tr ần Đ ình Cư – 083433 2133
Bản Word lời giải chi tiết lh zalo: 083433213 8