1 . 已知
,
和
均为实数,其中
是虚数单位.
(1)求复数
;
(2)若
对应的点在第四象限,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60f543c26ef2de07fb132ba386a8b498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/005f6a19fe7b2709a8447830ea0a024a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c32849bfd957f6f3bba6f29dfefc388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
(1)求复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754ea3bfa2fb5fc9379e5bb84d122eb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2023-05-11更新
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4卷引用:江西省新余市2022-2023学年高一下学期期末质量检测数学试题