1 . 已知复数z在复平面内对应的点的坐标为
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df6c6ef1e33ccd3131efcd4b18687ef2.png)
A.复数z的共轭复数为![]() | B.![]() |
C.![]() | D.![]() |
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2 . 已知复数
的共轭复数为
,且
(
为虚数单位),则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87609bd00379638f12f4db68b8503d9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 在复平面上,满足
的复数z的所对应的轨迹是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67cf33ba4502c231b812c670cf778466.png)
A.两个点 | B.一条线段 | C.两条直线 | D.一个圆 |
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2020-06-09更新
|
84次组卷
|
3卷引用:广东省湛江市第二十一中学2019-2020学年高二下学期开学考试数学试题
广东省湛江市第二十一中学2019-2020学年高二下学期开学考试数学试题(已下线)专题16 复数——常见中档题型汇编-【重难点突破】2021-2022学年高一数学常考题专练(人教A版2019必修第二册)广东省云浮市罗定中学城东学校2022-2023学年高一下学期期中数学试题
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解题方法
4 . 已知纯虚数
满足
,则
为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3e7123045910801c1043b54f99f4994.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
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5 . 已知复数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a7a554c7e1a2ea005c5a093f6f4666.png)
_____ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96d21fc9b61ce314855787af0bed8ccb.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e82eb0a020809ae9ba4a4e3fc5d8d91b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a7a554c7e1a2ea005c5a093f6f4666.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96d21fc9b61ce314855787af0bed8ccb.png)
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6 . 已知
,
是虚数单位,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e68a83b4093280ea8750677f6828bf47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76d6e10a64a547f08001a50d668ab901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/244de7a91f6b2fe029627f1020a23321.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-06-09更新
|
1424次组卷
|
9卷引用:2020届广东省汕头市高三第二次模拟数学(理)试题
7 . 已知复数
,其中
为虚数单位,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882bff376e1d71865bd23b747ef78a66.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f07c1076d78c12f93c07a622afb7ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882bff376e1d71865bd23b747ef78a66.png)
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解题方法
8 . 已知复数
满足:
.
(1)求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
(2)若复数
的虚部为2,且
是实数,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f96adad7b1526c409166929ce1acd971.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
(2)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d52e497aa7422819d873a7333891e86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
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2020-06-08更新
|
110次组卷
|
2卷引用:福建省2019-2020学年高二年级6月联考数学试题
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解题方法
9 . 设
,若复数
(
为虚数单位)的实部和虚部相等,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882bff376e1d71865bd23b747ef78a66.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5db7028391a96c2b67af8f4abd3754ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882bff376e1d71865bd23b747ef78a66.png)
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10 . 全集
,集合
,
(i为虚数单位),下列成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e743f94040cce2d83d6930d2665bf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84fad8ab8de9d5a83c16baa7fc56dbce.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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