解题方法
1 . 已知,求
的值.
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2 . 分别求实数x的值,使得复数
(1)是实数;
(2)是虚数;
(3)是纯虚数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f33e76a71dc80905049acc17a3097db2.png)
(1)是实数;
(2)是虚数;
(3)是纯虚数.
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3 . (1)设
为虚数单位,求
的实部;
(2)计算:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f18abfd9441f24a5fbd1b7e7d5cd1aab.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e71d0503b3feda569aeeb1036876d9c.png)
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2021-01-26更新
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773次组卷
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2卷引用:北京一零一中学2020-2021学年高二上学期期末考试数学试题
名校
解题方法
4 . 已知复数z满足|z|
,z的实部大于0,z2的虚部为2.
(1)求复数z;
(2)设复数z,z2,z﹣z2之在复平面上对应的点分别为A,B,C,求(
)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c97ec04a1aa7ac6fce72d589864940a2.png)
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074609663cc1cfa6cf35a2ae9bfc1164.png)
(1)求复数z;
(2)设复数z,z2,z﹣z2之在复平面上对应的点分别为A,B,C,求(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47c74fe802ec5e4c5b4ad3e00177363c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c97ec04a1aa7ac6fce72d589864940a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6067107911c9d1fc118497cdfddb1bf1.png)
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2020-03-06更新
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413次组卷
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4卷引用:北京市北京一零一中学2019-2020学年高二第一学期期末考试数学试题
5 . (1)设集合
,
,且
,求实数m的值.
(2)设
,
是两个复数,已知
,
,且
·
是实数,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee08df9b1dad5f315a9261056908a2da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1838fc892ac382f0fd090f7fc2c07ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
(2)设
![](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/b472851226f3d7a0271071ceb5b8bd66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a7bd2397a0d2ac5a587c97a9755bb58.png)
![](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/fa224ed9be8766a4d0b5138bd57de0f0.png)
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2019-10-22更新
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388次组卷
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4卷引用:北京市平谷区第五中学2020-2021学年高二上学期开学考试数学试题