名校
1 . 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.![]() |
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名校
解题方法
2 . 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
3 . 已知
,其中
.
(1)若
为纯虚数,求
;
(2)若
在复平面内对应的点在第二象限,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2ac80781c5c0156f97902bec5ca3d14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
4 . 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.![]() |
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名校
5 . 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.![]() |
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名校
6 . 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.![]() |
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解题方法
7 . 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
名校
解题方法
8 . 已知
为虚数单位,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b16ef8842f42d98ee0501cf848cfb507.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b657cfa91b6394e4b00fa385a2c0149.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7日内更新
|
180次组卷
|
2卷引用:陕西省西安市第一中学2024届高三下学期高考预测数学(文科)试题
名校
9 . 若复数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6dd435866ec4febe92935b84f8cff18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
A.![]() | B.![]() | C.5 | D.10 |
您最近一年使用:0次
10 . 已知
为虚数单位.复数
满足
.则
的实部为( )
![](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/fbbaf1ab3cefacefdc247b90df502c19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
A.![]() | B.![]() | C.1 | D.![]() |
您最近一年使用:0次