名校
解题方法
1 . 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)
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名校
2 .
为虚数单位,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ee2fecef4d938cdd0b3ddad72cd837.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ee2fecef4d938cdd0b3ddad72cd837.png)
您最近一年使用:0次
名校
3 . 已知复数z满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fa4e27fd0278b5ea9bea87b9061abcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
您最近一年使用:0次
4 . 若虚数
是关于
的实系数方程
的一个根,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
______ .
![](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/4e1ba2fe89f49d46f0b2e37eccbaf22c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
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5 . 已知
,
是关于
的实系数方程
的一个根,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/549f99e6e10e61af2e7734c4d01ea90c.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2483d58cd45cdb4d9652ed2969ba1696.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f43e49552a5099a8b2a442247c65a243.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/549f99e6e10e61af2e7734c4d01ea90c.png)
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名校
6 . 在复数范围内,方程
的解集为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a02d6c7a7f2cb4c2d2552efabb8ccf.png)
您最近一年使用:0次
名校
7 . 已知关于
的实系数二次方程
的一根为
(其中
是虚数单位),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5a94417d0d62715ea4067280d733df.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b800b7d6a688abf8a3018c133cec9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d19ed90fa07e523db60031ab8d53e171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5a94417d0d62715ea4067280d733df.png)
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8 . 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)
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9 . 已知复数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aedf42361f836b0e6d1291bf61d32cb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
您最近一年使用:0次
2024-05-09更新
|
208次组卷
|
2卷引用:安徽省太和中学2023-2024学年高一下学期第二次教学质量检测(4月)数学试题
10 . 若实系数一元二次方程
有一个虚数根的模为4,则
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1146110d4382c714c10de00dd1273b7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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