
Trung Tâm Luyện Thi Đại Học Amsterdam Chương IV–Bài 1. Số Phức và Các Phép Toán
Lớp Toán Thầy–Diệp Tuân Tel: 0935.660.880
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Câu 183.(THPT Chuyên Nguyễn Du 2019) Cho các số phức
là số thuần ảo. Tổng bình phương phần thực của tất cả các số phức
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Câu 184. Có bao nhiêu số phức
là số thuần ảo?
A. Vô số. B.
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