1 . 若复数
,
为虚数单位,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a9c395e038dce3d2672b4200aaca3eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
A.![]() | B.![]() |
C.![]() ![]() | D.若![]() ![]() ![]() |
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2 . 已知复数z满足
,则复数
的模
的最大值是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49965ebbca0ce414880a9164c83d4e46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c9ffa7f988172eb85f5b21d7474aba4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
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解题方法
3 . 已知复数
满足
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64a1621cb90522c90545c3372fade212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe708b41ce87fc158edbb43135c14d3d.png)
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7日内更新
|
1469次组卷
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4卷引用:专题06 复数的9种常考题型归类 -《期末真题分类汇编》(北师大版(2019))
(已下线)专题06 复数的9种常考题型归类 -《期末真题分类汇编》(北师大版(2019))湖北省武汉市2024届高三下学期5月模拟训练试题数学试卷上海市 位育中学2023-2024学年高三下学期三模数学试题浙江省杭州市西湖高级中学2024届高三下学期数学模拟预测数学试题
2023高一·上海·专题练习
解题方法
4 . 已知复数
且
,则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b70c2519610d6d1d6d0855b0f27dfc5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbdc47115b1d8ed3a6b36bfff24f6579.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 已知复数
,
满足
,
则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adcc78b50e4eb2ef6076b0ef4fab732d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/467e944474d73e57a5afc1934d51daee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6db0e748196e89b9d821e0289c751d9.png)
A.![]() | B.![]() |
C.在复平面内![]() ![]() | D.![]() ![]() |
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|
198次组卷
|
2卷引用:江苏南通市海门中学2023-2024学年高一下学期5月份学情调研数学试题
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6 . 已知复数
,
,下列结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
A.![]() | B.若![]() ![]() |
C.![]() | D.若![]() ![]() ![]() |
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解题方法
7 . 已知i为虚数单位,若复数
满足
,则
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40351d6099f5f61ddefbac620493046b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ab84fc5e5a4823e41a03da7740afcc7.png)
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8 . 设
,
,
为复数,下列命题中正确的是( )
![](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)
A.若![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() |
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解题方法
9 . 已知关于
的方程
,其中
为虚数单位.
(1)设
,若方程至少有一个模为1的根,求
的值;
(2)设
,虚数
是方程的一个虚根,在复平面上,设复数
所对应的点为
,复数
所对应的点为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d486eebc0703cb5850ae41d1e9fe2751.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194b8ab194c7d299d5c3e0f09ec18384.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfa9bf65189dfb57a61644a1cb27f361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e18c6df52ffa68d6b8baa8b74b35f31d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e591f4fb0e4345503aa3fca07fdf50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
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10 . 已知
是复数,且
为纯虚数,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a3d52102986641aa6f6ec16d690bc56.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() ![]() |
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