1 . 已知
是虚数单位,复数
满足
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17d782d343af0f37778ca635e5ef1fd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae0b03efe65534956bd68e5174e3a65.png)
A.![]() | B.![]() | C.![]() | D.5 |
您最近一年使用:0次
2021-08-17更新
|
159次组卷
|
2卷引用:四川省乐山市十校2020-2021学年高二下学期期中数学理科试题
2 . 复数
的虚部是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/120c1ec149a3b9e85d59e5e73599b164.png)
A.2 | B.![]() | C.4 | D.![]() |
您最近一年使用:0次
3 . 已知复数
,记其共轭复数为
.
(1)求
的值;
(2)若复数
,求复数
的模
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aa05b8af06d6229f75ef764b9f4b2ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41042207515dd2e8349c805e6aee400.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd1ac8462cd4948c9d9970e031ee0bca.png)
(2)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be5ade7cf7dcdbf8decaffd3c9eef4e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/595044a7750ab4f84519041979c3d780.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edd0cf1e2d276edd87dbaf5b4f1b3bfe.png)
您最近一年使用:0次
11-12高二下·吉林·期中
解题方法
4 . 若复数
(
,
为虚数单位)是纯虚数,则实数
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e501c1f857352168182d1495e08fcf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.2 | B.![]() | C.6 | D.![]() |
您最近一年使用:0次