设z1=1-2i,z2=1+i,z3=-1+3i则argz1+argz2+argz3=( )
A.![]() | B.![]() |
C.![]() | D.![]() |
19-20高一·全国·课后作业 查看更多[3]
更新时间:2020-08-26 19:12:10
|
相似题推荐
单选题
|
适中
(0.65)
名校
【推荐2】已知i为虚数单位,
,若复数
的共轭复数
在复平面内对应的点位于第三象限,且
,则z=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a297bf8eee1e085058f78c4f8c31aa61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41042207515dd2e8349c805e6aee400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebbdddefa20c1243042e61b89518965b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐1】设复数
对应的向量分别为
为坐标原点,且
,若把
绕原点顺时针旋转
,把
绕原点逆时针旋转
,所得两向量的终点重合,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d860cb86e1467ac24010aecfc7a425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94c58945c9fd203b21be7a8c0c0fc5a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5ebe037881577d2e31b7c785e09d3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a30deb1f343048675b9b231620369668.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/290710d643ab6cd3b9edd73815b1d8ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1640d3fff861f45c5eb4019943b000f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67fb457e8ac0d3ac35e1c668ea138f91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69a7516303b3dd7c28b3b3fcffd538ca.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
解题方法
【推荐2】已知复数z满足
,且
,则
=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b70c2519610d6d1d6d0855b0f27dfc5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8dc4de697600779ea6faae4b9db0b2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8d40e257f9c446b8e30fa841b74bbd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐1】已知复数
对应的向量绕原点逆时针旋转
后得到的向量对应的复数为
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48abdf8de60537a28e26adec7d77ecfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1f6b9790eb23214c345e0e2c89a17b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次