设
为虚数单位,则
=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb99509ad064c6729353dc09d7541c39.png)
A.2 | B.![]() | C.![]() | D.![]() |
13-14高二下·重庆·期中 查看更多[2]
更新时间:2016-12-03 02:02:39
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