解题方法
1 . 已知复数集
且
,集合
且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4ca2ab3f5b8c59b19e1db690f32426.png)
,
,则集合
在复平面上表示区域面积是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9bb15c46c219f3cd6f7e04d6d5375b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e5b46cdbed54adc572401cea3c61790.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e9890384aef78c86ba3b370aa1c273f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4ca2ab3f5b8c59b19e1db690f32426.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0d931e463fff2928954ace9a62966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96e818294fcdcb83c6d27b9e9c677a54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60a05b5f0717ee2d602c97613f4225de.png)
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2 . 若
(
虚数单位)是实系数一元二次方程
的根,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff6d838c156e98b50813db582fcf7aac.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e426e8db947ef6449942b2a7d55f74cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783a7b78d895784b4af75b962bd40f07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff6d838c156e98b50813db582fcf7aac.png)
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2020-02-03更新
|
362次组卷
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5卷引用:2016届上海市杨浦区高三5月模拟(三模)(理)数学试题
3 . 计算
的结果是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/497112a252f4fd2327379b65d0892803.png)
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2020-02-01更新
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439次组卷
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5卷引用:第17讲 复数的三角形式(练习)-【教育机构专用】2021年春季高一数学辅导讲义(沪教版2020必修第二册)
(已下线)第17讲 复数的三角形式(练习)-【教育机构专用】2021年春季高一数学辅导讲义(沪教版2020必修第二册)上海市复兴高级中学2021-2022学年高一下学期期末线上自测数学试题(已下线)9.4 复数的三角形式-同步精品课堂(沪教版2020必修第二册)人教B版(2019) 必修第四册 逆袭之路 第十章 10.3 复数的三角形式及其运算人教A版(2019) 必修第二册 逆袭之路 第七章 7.3 复数的三角表示
4 . 已知方程![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1146110d4382c714c10de00dd1273b7f.png)
的一个根为
.
(1)求复数
的模;
(2)若复数
满足
,且
为纯虚数,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1146110d4382c714c10de00dd1273b7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9b92db837661bd16bd1b01f88f91f89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c190cb407ef962c1a9436cadb3ac8682.png)
(1)求复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc228995efbba2e64d7f1de747024cc4.png)
(2)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4897d4dfad4a0a96dc34d65ae568aef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/098f7988ac09e55d4a671227bac1fe29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
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2020-01-30更新
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280次组卷
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3卷引用:上海市宝山区2016-2017学年高二下学期期末学情调研数学试题
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5 . 对任意一个复数
,定义集合
,设
(
为虚数单位),则集合
与
的关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df4f196646dfdce4668106c2fbb90a20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24d8a3fb0b3c2ad4a5a706e1b6b906b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3c57eabda78df42ee9ed2150f7c5cb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbd12df3546566e7df46d4269331b0f.png)
A.![]() | B.![]() | C.![]() | D.![]() ![]() |
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6 . 复数
是方程
的两个不同根,
,
,其中
是虚数单位.
(1)求
的值:
(2)若
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d860cb86e1467ac24010aecfc7a425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01199e52ea8ed44a69b8dd76e3567704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a829b7d1697eaa662e8a18bbd4aa40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5672d3fc8136df4e98cdc9c84f365e55.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e29206470de0fcb9ee29debac23ed2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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7 . 关于
的方程![](https://staticzujuan.xkw.com/quesimg/Upload/formula/920f25ca60ee8a9b93f3ebe59fc271ef.png)
(其中
为虚数单位)有实根,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/920f25ca60ee8a9b93f3ebe59fc271ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2af7267fa641fe998666f090bac90f6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
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8 . 关于
的方程
有一个根为
(
,
为虚数单位),则实数
等于______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d99d7e9a837df2972a53a375a43dca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a30fbfcfcd26d3d14efe83dbd155e27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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9 . 设
是复数,
表示满足
的最小正整数
,则对虚数单位
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44636b13dad9cd2848f3b0d11a482485.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df605217a316eb83dc4264549b20596c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22bcff080e5e25a0e82802434e83171b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44636b13dad9cd2848f3b0d11a482485.png)
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2019-12-12更新
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96次组卷
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2卷引用:上海市上海外国语大学附属中学2018-2019学年高二下学期期末数学试题
10 . 设
、
是非零复数,且满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ddb8dd20a12ed09c32e97e92ef95b4b.png)
________
![](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/ce6740a39a922653e8fdd734eaa4d230.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ddb8dd20a12ed09c32e97e92ef95b4b.png)
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2019-11-15更新
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149次组卷
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2卷引用:上海市徐汇区位育中学2018-2019学年高二下学期3月月考数学试题