1 . 已知关于
的方程
,
.
(1)当
时,在复数范围内求方程的解;
(2)已知复数
,若方程
有虚根,求
的模的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5aedc701158c3368168565085cb6569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5f7f23e7f20dd8bc65a4967cd306782.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
(2)已知复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc05f2cb5cf6f0356039cce674b01d94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5aedc701158c3368168565085cb6569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
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2023-04-12更新
|
521次组卷
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2卷引用:河南省信阳高级中学2023-2024学年高一下学期5月期中测试数学试题(二)
2 . 已知复数
是关于x的方程
的一个解.
(1)求a的值;
(2)若复数
满足
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95423c449f5d44dd949bf3b0130946f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb47b1d0c5d8a4abb6d10010345fddaf.png)
(1)求a的值;
(2)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9b869625f1c56e7ab3c270fa0a8abeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dff9388eee5c812d183b254d13f461b.png)
您最近一年使用:0次