科数网
试题 ID 30308
【所属试卷】
国防科技大学主健民课件讲义第1章复数概念测验题参考解答
设 $W_0=\sqrt[8]{2}\left(\cos \frac{\pi}{16}+i \sin \frac{\pi}{16}\right)$ ,则 $1+i$ 的四次方根为
A
$\quad w_0, 2 w_0, 3 w_0, 4 w_0$
B
$W_0, W_0^2, W_0^3, W_0^4$
C
$\quad w_0, i w_0, i^2 w_0, i^3 w_0$
D
$\quad w_0, i w_0,-i^2 w_0,-i^3 w_0$
E
F
答案:
答案与解析仅限VIP可见
解析:
答案与解析仅限VIP可见
设 $W_0=\sqrt[8]{2}\left(\cos \frac{\pi}{16}+i \sin \frac{\pi}{16}\right)$ ,则 $1+i$ 的四次方根为
$\quad w_0, 2 w_0, 3 w_0, 4 w_0$ $W_0, W_0^2, W_0^3, W_0^4$ $\quad w_0, i w_0, i^2 w_0, i^3 w_0$ $\quad w_0, i w_0,-i^2 w_0,-i^3 w_0$
答案
答案与解析仅限VIP可见
解析
答案与解析仅限VIP可见