解题方法
1 . 已知i为虚数单位,复数z满足
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7a2849ea9ea5bc99f5450bca60d90ab.png)
A.复数z的模为2 | B.复数z的共轭复数为![]() |
C.复数z的虚部为![]() | D.复数z在复平面内对应的点在第四象限 |
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解题方法
2 . 已知i为虚数单位,复数z满足
,则下列错误 说法的个数是( )
①复数z的模为
;
②复数z的共轭复数为
;
③复数z的虚部为
;
④复数z在复平面内对应的点在第一象限.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e9c06cf5e5b776c6687a9c34977b718.png)
①复数z的模为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ffd5c35bba71ea54c28622b6cf505d.png)
②复数z的共轭复数为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4169df98ffcc3b6b52b970f7c898e603.png)
③复数z的虚部为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9debb00d8e5555196fbc6ce38db4e838.png)
④复数z在复平面内对应的点在第一象限.
A.0 | B.1 | C.2 | D.3 |
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2022-04-17更新
|
384次组卷
|
2卷引用:陕西省榆林市第十中学2020-2021学年高二下学期期末文科数学试题
解题方法
3 . 已知
,i为虚数单位,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dd21939e7961a5b70a9823fa8864254.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.![]() | B.1 | C.![]() | D.3 |
您最近一年使用:0次
2022-04-17更新
|
456次组卷
|
4卷引用:陕西省榆林市第十中学2020-2021学年高二下学期期末文科数学试题
解题方法
4 . 若复数
(i是虚数单位)是纯虚数,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427a7eca99e14fc43b908ef11b7f05aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.1 | B.![]() | C.2 | D.![]() |
您最近一年使用:0次
2022-04-17更新
|
284次组卷
|
2卷引用:陕西省榆林市第十中学2020-2021学年高二下学期期末文科数学试题
5 . 已知
,
是复数,则下列错误结论的序号是______ .
①若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7538fc92ee62f74759fdb10a2b135903.png)
②若
,则
;
③若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ebe72ff0531b99356e8d416840e3ff5.png)
④若
,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd1c46a343671457433d1421d2c66611.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7538fc92ee62f74759fdb10a2b135903.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e13d477ec252f1952efd7d97425bf40c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b52f2f1d82f80ebf2ce497e0c5f029.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17eeb91bc19429bcba5dcc7286bf1777.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ebe72ff0531b99356e8d416840e3ff5.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17eeb91bc19429bcba5dcc7286bf1777.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bae527610c6b137cd499d78b657eac5f.png)
您最近一年使用:0次
解题方法
6 . 已知复数
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5c8101a61a621a10c80b711f32d971b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4360ce512aea78e001e81beaf19e1b9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
您最近一年使用:0次
解题方法
7 . 在①z为虚数,②z为纯虚数,这两个条件中任选一个作为(1)中的已知条件.
已知复数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17534677b46ac22885b769d4557a32bb.png)
(1)若___________,求满足条件的实数m;
(2)若复数
的模为2
,求实数m的值
已知复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17534677b46ac22885b769d4557a32bb.png)
(1)若___________,求满足条件的实数m;
(2)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ec45a15e6d20eed839e339734e9e709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
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8 . 若复数
的实部为a,虚部为b,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6253758303c8e074e1570a976c7a8f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
A.![]() | B.![]() | C.2 | D.3 |
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2022-04-14更新
|
408次组卷
|
6卷引用:陕西省榆林市第十中学2020-2021学年高二下学期期中文科数学试题
9 .
是虚数单位,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dccfbbc0643c2645e609da7a2a08a7c.png)
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2022-04-14更新
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981次组卷
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8卷引用:新疆巴楚县第一中学2020-2021学年高二3月月考数学(文)试题
10 . 设复数
(i为虚数单位),则z的虚部是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b3d55914732d234195864eb13975d74.png)
您最近一年使用:0次