计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f552e9a55454b59d85161f57d6ff24.png)
23-24高一下·全国·课前预习 查看更多[1]
(已下线)7.2.2?复数的乘、除运算——预习自测
更新时间:2024-04-22 14:57:55
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【推荐2】已知复数
是纯虚数(
为实数).
(1)求
的值;
(2)若
,复数
在复平面内对应的点在第二象限,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3594668582f1b75cd9d3751f44d6f13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79d9e6150ceac6a99b5490c0d5331565.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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