名校
解题方法
1 . 若
为纯虚数,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e66010183821ca2f8b42cd8e015e4621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
名校
解题方法
2 . 已知复数
,
(其中i是虚数单位,
),若
为实数,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9df77dc0d9ae32a07bd011af9928175.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77944cb8498e400f986026324cbeb934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd0914dc4d4c7f75710ff460a286fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe615164ed2995bdeea0f5b0ba94231.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次