1 . 已知复数
是关于x的方程
的一个解.
(1)求a的值;
(2)若复数
满足
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95423c449f5d44dd949bf3b0130946f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb47b1d0c5d8a4abb6d10010345fddaf.png)
(1)求a的值;
(2)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9b869625f1c56e7ab3c270fa0a8abeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dff9388eee5c812d183b254d13f461b.png)
您最近一年使用:0次
2 . 已知复数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/834e76970e8991f023629abff7f3eaa3.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20129f794f91bd4f2c135036289d44a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/834e76970e8991f023629abff7f3eaa3.png)
您最近一年使用:0次
3 . 复数
的共轭复数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/484be946dd56cb832ff106a251674008.png)
A.7+i | B.-7-i | C.7-i | D.-7+i |
您最近一年使用:0次
2022-05-05更新
|
195次组卷
|
3卷引用:河南省新乡市2021-2022学年高二下学期期中考试理科数学试题
河南省新乡市2021-2022学年高二下学期期中考试理科数学试题河南省新乡市2021-2022学年高二下学期期中考试数学(文科)试题(已下线)第07练 复数的四则运算-2022年【暑假分层作业】高一数学(人教A版2019必修第二册)
4 . 已知
.
(1)求z的虚部;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfd09ffa27d973a4a3fd6def05d37ec2.png)
(1)求z的虚部;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e11571b3c12c160eeba6cac4992cc15a.png)
您最近一年使用:0次
2022-05-04更新
|
166次组卷
|
3卷引用:河南省新乡市2021-2022学年高二下学期期中考试理科数学试题
5 . 设
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05765808cf89d1395b2da7da4b00e146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
6 . 设有下面四个命题:
:若复数z满足
,则
;
:若复数z满足
,则
;
:若复数
,
满足
,则
;
:若复数
,则
.
其中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8be646cd52d7f2f1714e7542e75810f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f21f4f61f8e540e57f7f72d25b4ef08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/277b835e4ccd3eb574ece09ad834f0de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adad9633b73dfbbb3d84b4f15979e99e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd79b4eb70d48435dec8824ad892494d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c70cecfc37310dd869b0d51ff44d64e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87b21b872313f7d8c5b606981f954a1e.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/e045c712fb1efd2b4681134707cc86c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e13d477ec252f1952efd7d97425bf40c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc119550ce4fc5f3d1daf996e7243bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c70cecfc37310dd869b0d51ff44d64e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f18e8b3d78a3136bc243847c94ddf1.png)
其中正确的是( )
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2022-04-25更新
|
175次组卷
|
3卷引用:河南省洛阳市2021-2022学年高二下学期期中考试文科数学试题
名校
解题方法
7 . 复数
(i是虚数单位)的共轭复数
在复平面内表示的点在( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8362fb62172fa714a4c31fc2fd90fce2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41042207515dd2e8349c805e6aee400.png)
A.第一象限 | B.第二象限 | C.第三象限 | D.第四象限 |
您最近一年使用:0次
2022-04-25更新
|
511次组卷
|
3卷引用:河南省洛阳市2021-2022学年高二下学期期中考试文科数学试题
8 . 复数
的共轭复数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a27ddbda0a1056d8e4effcb8bbd27b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e9c3d509e77d6a7e4874302308c2aba.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
9 . 复数
的共轭复数的虚部是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/155b691347335c240d6adcd9c51d3b81.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
10 . 已知复数
,复数
是复数
的共轭复数,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aad2b1f562018fccd4881768472b2771.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41042207515dd2e8349c805e6aee400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca6c17df8a51bb6492426fddcfb622.png)
A.1 | B.![]() | C.2 | D.![]() |
您最近一年使用:0次
2022-04-09更新
|
1395次组卷
|
9卷引用:河南省济源市济源英才学校2022-2023学年高一下学期期中考试数学试题