名校
1 . 已知复数
.
(Ⅰ)当实数
取什么值时,复数
是纯虚数;
(Ⅱ)当
时,化简
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cf2fe983ff57ddefa9f7841fced2c87.png)
(Ⅰ)当实数
![](https://img.xkw.com/dksih/QBM/2015/7/7/1572168920965120/1572168926347264/STEM/7fc752802faa4eb98e50a4737459a0be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(Ⅱ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48421c20863c4adc8e68ae6820847ac4.png)
您最近一年使用:0次
2016-12-03更新
|
773次组卷
|
2卷引用:2014-2015学年河南周口中英文学校高二下学期第二次月考理科数学卷