1 . 任何一个复数
(
,
,
为虚数单位)都可以表示成
(
,
)的形式,通常称之为复数
的三角形式.法国数学家棣莫弗发现:
(
),我们称这个结论为棣莫弗定理,则下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b40b6895776e0807c2baecbc8f33a8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19339e3904e9541ff26b30ae5f1242b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f56daf4df0f2bfb7e665bd623cd6f17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8854e9e76c97cad3acc7388d5f87dc13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/388d3d213a231cccf854a29eef611d01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd689682c3a895937b4ea0525288afcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930bc56406e69b785b37a83d48e36724.png)
A.复数![]() ![]() |
B.当![]() ![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() |
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2 . 已知复数
,
,
,下列说法中正确的有( )
![](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/0a67a742d2a43e907fb1c3a1bdf1d6a9.png)
A.若![]() ![]() |
B.![]() ![]() |
C.若![]() ![]() ![]() |
D.![]() |
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解题方法
3 . 复数
是虚数单位
在复平面内对应点为
,设
是以
轴的非负半轴为始边,以
所在的射线为终边的角,则
,把
叫做复数
的三角形式,利用复数的三角形式可以进行复数的指数运算,
,例如:
,
,复数
满足:
,则
可能取值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7cfd25d758444271e0d6466f1810f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffea9c467bb7d016c2deda2656d5e84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f54d290009e138d1f0d4cb771cada9f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68164963a78bacd43aebe850e318c81b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd450877ec0f295523ae54c083b74621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eed3d568acf369a315c7ab41c081049.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9633bd9579b301318eaebe904ded6d62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74d8d2427e2b8ee74f8c4ccbdd54aab7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c210929a917c44bee22f55b1a6b3b599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59c3b8bc6085339a8931950ed206d397.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-06-09更新
|
944次组卷
|
3卷引用:专题07 复数综合题归类(2) -期末考点大串讲(苏教版(2019))
(已下线)专题07 复数综合题归类(2) -期末考点大串讲(苏教版(2019))东北三省(哈尔滨师大附中、东北师大附中、辽宁省实验中学)2024届高三第三次联合模拟考试数学试题福建省龙岩市上杭县第一中学2024届高三下学期5月数学模拟试题
4 . 复数
与
分别表示向量
与
,则表示向量
的复数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08031dbbe2675d637111bee35971f37f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9ddd40fe0ea59e90db3d4bed1f7a965.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fc9656d8286c4d6fa309d6ae347c89e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/083a20abb668d4c26fe5039bd108b40a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024高一下·江苏·专题练习
5 . 把下列复数的代数形式化为三角形式:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74cfe1eb30b9e19bec63d9e7270e569e.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da121fb8fe3dac5c73192a826eecd83b.png)
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2024高一下·全国·专题练习
6 . 求同时满足
的复数z(用代数形式表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ddc0b7398adbcf38ab2d475d3729457.png)
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解题方法
7 . 已知复数
,
满足
,
,则
的最大值为______ .
![](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/08918f79c03082dbc736841347649651.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98abe01911c4dc34ee8ff2d2b732de41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7776b60ca0808355652617c40764e3b.png)
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2024-02-08更新
|
1512次组卷
|
8卷引用:重难点专题07 巧妙借助复数的几何意义求与模有关的范围与最值问题-【帮课堂】(苏教版2019必修第二册)
(已下线)重难点专题07 巧妙借助复数的几何意义求与模有关的范围与最值问题-【帮课堂】(苏教版2019必修第二册)福建省漳州市2024届高三毕业班第二次质量检测数学试题(已下线)第5套 最新模拟重组精华卷5---模块一 各地期末考试精选汇编(已下线)新题型02 新高考新结构竞赛题型十五大考点汇总-2(已下线)考点6 复数的概念与几何意义 --2024届高考数学考点总动员【讲】(已下线)7.1.2复数的几何意义【第三课】“上好三节课,做好三套题“高中数学素养晋级之路(已下线)高一下学期期中复习填空题压轴题十七大题型专练(2)-举一反三系列(人教A版2019必修第二册)(已下线)第七章:复数(新题型)-同步精品课堂(人教A版2019必修第二册)
8 . (多选)在复平面内,下列说法正确的是( )
A.若复数z满足![]() ![]() | B.若复数![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() | D.若![]() ![]() ![]() |
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2023-09-01更新
|
477次组卷
|
2卷引用:江苏省无锡市四校2022-2023学年高一下学期期中联考数学试题
解题方法
9 . 已知
(其中i为虚数单位),那么复数
在复平面内所对应的点位于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d3d229064e6a084aef40f48dc6b6f51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/318dda75b2b0770c5d864a5977beb274.png)
A.第一象限 | B.第二象限 | C.第三象限 | D.第四象限 |
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10 . 已知复数的三角形式为
.
(1)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeb0e25bbccbee4a1b9db38b49e87978.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeb0e25bbccbee4a1b9db38b49e87978.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a30deb1f343048675b9b231620369668.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/795806b48c253f51784994dedf0d8502.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8536fdc54e3e4fe48b4dd8d75a52ee89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad481cbfb67ac9cdbc0537f3de23b022.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
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