名校
1 . i表示虚数单位,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2fcc964a904b1ea33a5b6a139656363.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2fcc964a904b1ea33a5b6a139656363.png)
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名校
解题方法
2 . 设
,
,
为虚数单位,若
是关于
的二次方程
一个虚根,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb2bfd46447bdc5f025323d3cf5c008c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/616097c2b64a0a2777aa38abc70d0e92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dffd64316ab5cd086e8b8dc8a5bfe994.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
您最近一年使用:0次
昨日更新
|
273次组卷
|
2卷引用:湖南省常德市沅澧共同体2023-2024学年高二下学期期中考试数学试题
名校
3 . 复数
的虚部为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/395e44f474af7c750731115aa33d8860.png)
您最近一年使用:0次
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4 . 已知复数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/545141bbe7cc66d18946a129179d8df1.png)
________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882bff376e1d71865bd23b747ef78a66.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a77be16b5cda28c9de818862e60b984.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/545141bbe7cc66d18946a129179d8df1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882bff376e1d71865bd23b747ef78a66.png)
您最近一年使用:0次
名校
5 . 已知复数
,则
的值等于_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16852bb45d8c0ed0505f02e6841204c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cebcc45614dae664853e3e7a141c0a49.png)
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6 . 已知
,
之间的一组数据:
若
与
满足经验回归方程
,则此曲线必过点_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
| 1 | 4 | 9 | 16 |
| 1 | 2.98 | 5.01 | 7.01 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f457e696b1504bfb73140699a8e18dd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f93267e3d2f17b1a16c530e0c63c470.png)
您最近一年使用:0次
7 . 已知复数
(
为虚数单位),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be3077525475fdd3e3cf7e1e02a02157.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
您最近一年使用:0次
名校
解题方法
8 . 设
为复数,且
(
为虚数单位),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ff788f86edb479a0c1a75959f376bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
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9 . 复数
在复平面内对应的点的坐标为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8648b214f299170fcd754810f45ee82.png)
您最近一年使用:0次
名校
10 . 若复数
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a176cfc17acf73eba234dfccadd8f1e.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f930d3644261d953e9c86f97951fbd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a176cfc17acf73eba234dfccadd8f1e.png)
您最近一年使用:0次