1 . 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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2 . 实数
,
满足
,设
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbc5e481f0d1db00f55839319b8cb053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd9e4a7572ce9d7f8041b6ec5a3c3ade.png)
A.z在复平面内对应的点在第四象限 | B.![]() |
C.z的虚部是i | D.z的实部是1 |
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名校
3 . 已知复数z的共轭复数为
,且
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0c2f978b8ec6a7d1c8f17bfa81d1cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/264b7342cc75fd675239293221fd0854.png)
A.![]() | B.![]() ![]() |
C.![]() | D.![]() |
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2021-09-04更新
|
381次组卷
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4卷引用:7.2复数的四则运算B卷
(已下线)7.2复数的四则运算B卷江苏省淮安市六校联盟2020-2021学年高一下学期第七次学情调查数学试题(已下线)7.2 复数的四则运算山东省滨州市滨城区北镇中学2023届高三下学期3月质量检测模拟数学试题
4 . 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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解题方法
5 . 下列命题为真命题的是( )
A.若复数![]() ![]() |
B.若i为虚数单位,n为正整数,则![]() |
C.复数![]() |
D.复数![]() |
您最近一年使用:0次
2021-09-03更新
|
341次组卷
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3卷引用:第2课时 课前 复数的几何意义
第2课时 课前 复数的几何意义浙江省嘉兴市第五高级中学2020-2021学年高一下学期期中数学试题(已下线)7.1 复数的概念(精练)-2021-2022学年高一数学一隅三反系列(人教A版2019必修第二册)
名校
6 . 下面是关于复数
的四个命题.
:
:
.
:
的共轭复数为
.
:
的虚部为
.
其中的真命题为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07e2c56730cc80b233be20a1ab17ad38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8be646cd52d7f2f1714e7542e75810f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/839ba7c0f1fc30151d18a2e337951dd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adad9633b73dfbbb3d84b4f15979e99e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/695eb9546034afee9a78708b1ef5576c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87b21b872313f7d8c5b606981f954a1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b80360cbdda38f0745b998dfa872a73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc119550ce4fc5f3d1daf996e7243bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
其中的真命题为( )
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-08-15更新
|
169次组卷
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3卷引用:重庆市万州第二高级中学2020-2021学年高二下学期3月月考数学试题
2021高三下·全国·专题练习
7 . 已知
为虚数单位,复数
的共轭复数为
,则
的虚部为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bffb801c3c4aab4e7473ed3287c7e9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0c2f978b8ec6a7d1c8f17bfa81d1cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0c2f978b8ec6a7d1c8f17bfa81d1cd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 若复数
满足
,则
的虚部等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d2566e283a1ec0cd88b8e7ce35cef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
A.4 | B.2 | C.-2 | D.-4 |
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2021-07-08更新
|
4753次组卷
|
14卷引用:专题10 不等式、推理与证明、算法初步、复数-2021年高考真题和模拟题数学(文)分项汇编(全国通用)
(已下线)专题10 不等式、推理与证明、算法初步、复数-2021年高考真题和模拟题数学(文)分项汇编(全国通用)(已下线)考点51 复数-备战2022年高考数学(理)一轮复习考点帮(已下线)专题10 不等式、算法初步、复数-五年(2017-2021)高考数学真题分项汇编(文科+理科)2021年江苏省普通高考对口单招文化统考数学试题(已下线)考点02复数-2022年高考数学(理)一轮复习小题多维练(全国通用)(已下线)考向30 复数-备战2022年高考数学一轮复习考点微专题(上海专用)(已下线)专题10.2 复数 2022年高考数学一轮复习讲练测(新教材新高考)(练)(已下线)第08讲 复数-【寒假自学课】2022年高一数学寒假精品课(苏教版2019必修第二册)(已下线)押新高考第2题 复数-备战2022年高考数学临考题号押题(新高考专用)(已下线)2022年高考考前20天终极冲刺攻略(二)【数学】(新高考地区专用)陕西省西安市长安区第一中学2021-2022学年高二下学期期中理科数学试题(已下线)第05讲 复数 (讲+练)-2023年高考数学一轮复习讲练测(新教材新高考)广东省惠州市龙门县高级中学2021-2022学年高二下学期期中数学试题广东省麻涌,塘厦,七中,济川四校2023-2024学年高一下学期5月期中联考数学试题
9 . 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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10 . 设
是复数,若
(
是虚数单位),则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d2fe35ce0b262b25ee98c0cd48e8a95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
A.![]() ![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-06-23更新
|
564次组卷
|
5卷引用:四川省德阳市2021届高三二模数学(文)试题
四川省德阳市2021届高三二模数学(文)试题(已下线)专题10 不等式、推理与证明、算法初步、复数-2021年高考真题和模拟题数学(文)分项汇编(全国通用)(已下线)专题01 复数的概念与运算-备战2022年高考数学母题题源解密(新高考版)四川省凉山州西昌市2021-2022学年高二下学期期中考试数学(文)试题四川省凉山州西昌市2021-2022学年高二下学期期中考试数学(理)试题