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1 . 设复数
满足
(
为虚数单位),则
的模为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42a5de8e3cec4400e1df71d8943403b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
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2 . 若
是关于x的方程
的一个根(其中i为虚数单位,
),则q的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b80360cbdda38f0745b998dfa872a73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783a7b78d895784b4af75b962bd40f07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a527a78976af6e83ed6162cdb0be3bf4.png)
A.![]() | B.2 | C.-2 | D.1 |
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3 . 已知复数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d5668ad7a79cab1567cc6414ef43ffa.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2befa65dde18a77cd5218b77bb000d45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d5668ad7a79cab1567cc6414ef43ffa.png)
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解题方法
4 . 在复平面内,复数z满足
,则复数z对应的点位于第______ 象限.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e2cf210f192dacdf302b7f3a30f7c6.png)
您最近一年使用:0次
2024-03-12更新
|
657次组卷
|
5卷引用:上海市宜川中学2024届高三下学期2月开学考试数学试题
上海市宜川中学2024届高三下学期2月开学考试数学试题江苏省连云港海州高级2022-2023学年高一下学期期中学情调查数学试卷(已下线)模块一专题4《复数》单元检测篇B提升卷(已下线)模块一专题6《复数》单元检测篇 B提升卷(苏教版)(已下线)专题04 复数的概念与运算-《期末真题分类汇编》(江苏专用)
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5 . 已知复数
,其中
.
(1)设
,若
是纯虚数,求实数
的值;
(2)设
,分别记复数
、
在复平面上对应的点为
、
,求
与
的夹角以及
在
上的数量投影.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63c0fda5d04e27796f64c5b3a09daa58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa44c6f189099dbe176aec25d1be094c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed39f5aca78934fb383402433fe549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01ea3cc01ce7266cdf0fd73fd50d23c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fc9656d8286c4d6fa309d6ae347c89e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fc9656d8286c4d6fa309d6ae347c89e.png)
您最近一年使用:0次
2024-03-12更新
|
587次组卷
|
2卷引用:上海交通大学附属中学2023-2024学年高二下学期摸底数学试卷
23-24高三下·上海·开学考试
6 . 下列命题不正确的为( )
A.若复数![]() ![]() ![]() ![]() |
B.![]() ![]() ![]() ![]() ![]() |
C.复数是实数的充要条件是![]() |
D.![]() ![]() ![]() ![]() |
您最近一年使用:0次
2024高三·全国·专题练习
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解题方法
7 . 已知复数
(
为虚数单位),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85d3b2fc1ee0f5825884bbf85a6a0c6d.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afc933d8e17ad3edfe04a3d4a2d0716d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85d3b2fc1ee0f5825884bbf85a6a0c6d.png)
您最近一年使用:0次
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8 . 已知复数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/157825735fab144cf955994f62d80e6c.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eb578edde04fb06407d97e8f2614cf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/157825735fab144cf955994f62d80e6c.png)
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9 . 已知复数
(
是虚数单位),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a70bbb16144f2ba823e5253280e092c.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16852bb45d8c0ed0505f02e6841204c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a70bbb16144f2ba823e5253280e092c.png)
您最近一年使用:0次
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解题方法
10 . 若
,其中
是虚数单位,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b862baa20db904437426a40216b93736.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5660534ca9b11d00de13ebba1fcbce9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b862baa20db904437426a40216b93736.png)
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