1 . 已知复数
(
为虚数单位),则
的虚部为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1325963606ba21d30a9f3c3e6865d88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fcfebd9f5a57036e6df6b6e14865da3.png)
您最近一年使用:0次
2 .
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/777f9d6986dc2926f964848fdbd14ff5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
3 . 已知
是虚数单位,则复数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2694524c15007fd47168cf8bb7294ef4.png)
A.![]() | B.1 | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
4 . 已知复数
,
,其中
,
.
(1)若
是纯虚数,求
的值.
(2)
、
能否为某实系数一元二次方程的两个虚根?若能,求出
的值;若不能,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85bc4929363ab7e18a3e4567660e76ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a0f2c086db28e09f3be28938ab4ae70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f955e61b70463e9bb6758f1f863a1675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e4e2b866b0043a32fc78326553841d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)
![](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/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
5 . 已知复数
满足
,则
的虚部为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e006cc0c35ea95bab504bc62e122df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41042207515dd2e8349c805e6aee400.png)
A.i | B.![]() | C.1 | D.![]() |
您最近一年使用:0次
2024-06-17更新
|
122次组卷
|
2卷引用:西安市交大附中2023—2024学年高一下学期第二次月考数学试题
名校
6 . 已知
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4c332aafad360cf7fbc49add77deb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92e909f475923d09b0ac902ddd30a3d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35aa5256411e4bfe86bab7783a9022a6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
7 . 已知
(
,
),若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd9e4a7572ce9d7f8041b6ec5a3c3ade.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95cccdff49c3efe6e7a7dbbf69db9319.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/413ef695a63d02ba2b2c94e5f3c249fa.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
8 . 已知
是关于
的方程
的根,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec98bcde0ea979514029766fc7656aa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7ce475963fe9a04a2a34a4d1c27ed98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.6 | B.![]() | C.4 | D.![]() |
您最近一年使用:0次
名校
9 . 已知复数
满足
,则共轭复数
的虚部为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a1218937aba68f8eed2d402273fb7c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fcfebd9f5a57036e6df6b6e14865da3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
10 . 设复数
满足
,则
的共轭复数
在复平面内对应的点位于.( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44b02b13bd4d315bf0b76e545ab4cc23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fcfebd9f5a57036e6df6b6e14865da3.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
2024-06-15更新
|
156次组卷
|
2卷引用:陕西省安康市高新中学、安康中学高新分校2024届高三下学期5月模拟预测数学(文)试题