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解题方法
1 . 已知复数z满足
.
(1)求z;
(2)若
为纯虚数,求k的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f308bd8096e57519f44ba2db1566a80c.png)
(1)求z;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bd63e7e6db79939f7b08915915927c1.png)
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2 . 已知复数
满足
,则a=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dfc38d5f9dd4f761626ab60e6f55e96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41a2226bd2a11c5759ff0156e4b95d95.png)
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3 . 已知复数
,
,
均为虚数,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a67a742d2a43e907fb1c3a1bdf1d6a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82df402c93f9664f38c216975a908b5d.png)
A.![]() |
B.![]() |
C.![]() |
D.存在某个实系数三次方程,这个三次方程的三个根为![]() ![]() ![]() |
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2023高三·全国·专题练习
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4 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34328bbcd18a09c6370cf158a8056874.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34328bbcd18a09c6370cf158a8056874.png)
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2023-04-05更新
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449次组卷
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3卷引用:四川省广元市广元中学2022-2023学年高二下学期期中数学理科试题