解题方法
1 . 若纯虚数
满足
,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e079be3b717833e06c4a061f72554ddb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.1 | D.4 |
您最近一年使用:0次
2021-07-10更新
|
133次组卷
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3卷引用:内蒙古自治区通辽市科尔沁左翼中旗实验高级中学2022-2023学年高一下学期期末数学试题
名校
解题方法
2 . 已知
,复数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6955d0c75219abdcdf5163d4de3b057d.png)
(1)
为何值时,
为纯虚数?
(2)
为何值时,复数
对应点位于第四象限?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6955d0c75219abdcdf5163d4de3b057d.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
您最近一年使用:0次