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解题方法
1 . 复数
满足
,①
;②
;③复数
的虚部为
;④
是方程
在复数范围内的一个解.则以上四个结论中正确序号为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c5bf0ee9e45490fb6503cc88f58d9ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/145e6e8cb3f167d16cdeabd3bd17ca12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a369d595329752492349210d55544d2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/396df1e2e35bf3040082cbb783314e8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/467354a996bf765789a18542f1beb008.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48fc19c302085de8a90e2827c32f15e7.png)
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2022-07-01更新
|
324次组卷
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2卷引用:天津市西青区2020-2021学年高一下学期期末数学试题
2 . 在复数
,
,
,
,0,
中,哪些是实数,哪些是虚数,哪些是纯虚数?其中虚数的实部与虚部分别是什么?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e5725e7e54fcb39297e1e412bffdfe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab46ea0cba2d06283fae3d864a2329e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2adc9e2a4b896f1a3f218cfe75d6180d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbd94fe88ed778c50b444e9630ef9cae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/789ed7059f63b28437cec0777bea364a.png)
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3 . 下列关于复数知识的论述,错误的有( )
A.在复数集内![]() ![]() |
B.![]() |
C.在复平面内,虚轴上的点都表示纯虚数 |
D.复数![]() ![]() |
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2021-09-17更新
|
701次组卷
|
5卷引用:河北省张家口市第一中学2020-2021学年高一下学期期中数学试题
河北省张家口市第一中学2020-2021学年高一下学期期中数学试题(已下线)第七章 复数(章末综合卷)-2021-2022学年高一数学链接教材精准变式练(人教A版2019必修第二册)(已下线)第7章 复数(典型30题专练)-2021-2022学年高一数学考试满分全攻略(人教A版2019必修第二册)(已下线)山东省潍坊市2022-2023学年高二上学期开学检测数学试题(已下线)第七章 复数(基础、典型、易错、压轴)分类专项训练(1)
4 . 欧拉公式是指以欧拉命名的诸多公式,有拓扑学中的欧拉多面体公式、初等数论中的欧拉数论公式等其中最著名的是复变函数中的欧拉幅角公式——把复数、指数函数与三角函数联系起来(
,自然对数的底数
,虚数单位
).若复数
满足
,则
的虚部为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21df79115d74106845179f642f07f218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e3ce576f0766f29349db973fc22eb8.png)
![](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/f3cafd865f24c222772d973d84fd761b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41042207515dd2e8349c805e6aee400.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2021-09-17更新
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917次组卷
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3卷引用:2021届高三数学临考冲刺原创卷(五)
5 . 设复平面中向量
对应的复数为
,给定某个非零实数
,称向量
为
的
向量.
(1)已知
,
,求
;
(2)对于复平面中不共线的三点
,
,
,设
,
,
,求
;
(3)设
,
,
的
向量分别为
,
,
,已知
,
,
,求
的坐标(结果用
,
,
表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cec64476aaca08de0808afda3618109c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e1dbb4c7999d45d14b499e433a09137.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f1e00c3019c29a5fc7a16e3d3b3e86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cec64476aaca08de0808afda3618109c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd8626ed40ac561244d7a7d78fdb24bc.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/774e4c61b6568d292d5bc576d3310d8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d47d5a819f2e82edbac8a82b05f64501.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2e1c7761a2fbb1478d7aa767aaf792a.png)
(2)对于复平面中不共线的三点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c14958b2ff6f32f726a32cd19edd6580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce82b5f1ceed0d68799e2b7e6b7b1fd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1b55b0740a656f575c1c840e86b3be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/215810926adc373683112851fd0ce865.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30e81a4a797612364e40633d513025f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b87d9af9b910dab963d0958e514f8f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b8b2329d17c216854810353e8986c4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/350febbbd2a60e7f7d52d3a913983f54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b52fad476f828f36de6eb8910497329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08493c1e001d85731cb4863ec38857fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/992de06f8effea20895e0ea2262010b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf5d1fe2ed4027eaec2abdc0ada9db47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/931d593e16a7e6e82b5c2418e7afe6db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/720da193aaf7aa394aa2778d32b7737e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
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6 . 下列四种说法中正确的有( )
A.自然数集![]() ![]() ![]() ![]() |
B.![]() |
C.复数![]() ![]() |
D.![]() |
您最近一年使用:0次
2021-09-07更新
|
260次组卷
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3卷引用:重庆外国语学校2020-2021学年高一下学期期中数学试题
7 . 已知复数
的模为
.
(1)写出一个
,使得
,但
(只需要写出一个
,无需证明);
(2)设
,
,分别求
,
,
的实部(用
,
表示),并归纳得出
的实部.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
(1)写出一个
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f05368c016ed03b4c6bb3060c28add.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/890fc399c79f94c5e1ceead724ae5225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c3a4ab58c39c75fcf20c703d3bee4f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f54961768bc30a6ae1d7ce51e76a39a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/795493a60182973eaa42b4a65b29bb19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05ca464327f8ff9b50b7def222fafac6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6115237a3bb0366c81a012f2235000d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea2a2b206d9401f69d602d558773301.png)
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8 . 已知复数
可以写成
,这种形式称为复数的三角式,其中
叫复数z的辐角,
.若复数
,其共轭复数为
,则下列说法①复数z的虚部为
;②
;③z与
在复平面上对应点关于实轴对称;④复数z的辐角为
;其中正确的命题个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b40b6895776e0807c2baecbc8f33a8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80efc91ed96f8b1ed5316d62d042addf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34d971673fa55649b625c7281068dfc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b91af6182809f7bf8286943ebb373bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fcfebd9f5a57036e6df6b6e14865da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e8ae2d1668a48effe292d822ccae57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb3e40e140f63c597f1927385dc26c43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fcfebd9f5a57036e6df6b6e14865da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
A.1个 | B.2个 | C.3个 | D.4个 |
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9 . 已知虚数
满足
,
表示
的共轭复数,则结论不正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5c6b89b69721e00cdfb30bef61a4916.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfbe7f95b5d89f9409ec24536da9e826.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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20-21高一下·浙江·期末
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10 . 下列命题正确的( )
A.若复数![]() ![]() |
B.若![]() ![]() ![]() ![]() |
C.若![]() ![]() |
D.已知![]() ![]() ![]() |
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