1 . 设复数
(
为虚数单位),则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f7e946a9fdde2b92c2dcc718b7f530d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
A.“![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() ![]() |
D.方程![]() ![]() |
您最近一年使用:0次
解题方法
2 . 复数
的共轭复数为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41042207515dd2e8349c805e6aee400.png)
A.![]() ![]() |
B.![]() |
C.若![]() ![]() |
D.若![]() ![]() |
您最近一年使用:0次
2021-08-04更新
|
559次组卷
|
2卷引用:福建省厦门市2020-2021学年高一下学期期末数学试题
名校
解题方法
3 . (1)计算
;
(2)设复数
.(其中
),若
是纯虚数,且
在复平面内对应的点在直线
上,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0ea41a55f3efd976b38b297863f0287.png)
(2)设复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/829afd18b5b7de57ef9b49e0265a0cbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773ca22fc12ade9e60dbc749ba5cfa73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec04f844e8fd9d9b1ef835e23eaa54e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e34b88f343ca5a4c29057465541b9cf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0985b973395bcd371cd1e26d3fcd1c36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34f08fb0fd529af5bf8dc288f00702c5.png)
您最近一年使用:0次
2021-07-21更新
|
303次组卷
|
2卷引用:江苏省镇江市扬中市第二高级中学2020-2021学年高一下学期期末模拟数学试题
名校
解题方法
4 . 定义:复数
是
的转置复数,记为
.若
,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1954ec42f235096b8fbf6e775c8c683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b043be463a12c01175d22d744aa20c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34c01e026f5de5406682b73fb96373e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f32c241a1b97713333e7e8f0962503f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1372a074ba50c3cc0014a334cb1f5028.png)
您最近一年使用:0次
2021-07-19更新
|
327次组卷
|
4卷引用:上海市建平中学2020-2021学年高一下学期期末数学试题
名校
5 . 复平面上两个点
,
对应两个复数
,
,它们满足下列两个条件:①
,且
;②两点
,
连线的中点所对应的复数
,则
的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb8477bcc87b1401970171bf57b9ecb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c1fd680a5d355178273c6d6025eb80.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/ffedcc164f9acdba26046264c4456aae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4157d7996a0bef6b7073bde5bf2fbbe3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb8477bcc87b1401970171bf57b9ecb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c1fd680a5d355178273c6d6025eb80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acaab42500ffbc4e1d36b55b76967421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a91fcd06e9139169f341447eaf9617a4.png)
您最近一年使用:0次
名校
6 . 已知
为
的内角,
为坐标原点,复数
(
为虚数单位),且满足
.
(1)求
;
(2)复数
对应的向量
绕
逆时针旋转
得到
,
对应的复数为
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4489d9b83072184c0e1d6b09be50ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e2d7920a5d4c7168d8580a7c04fedd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579743813856e2a9183f5ec6eaaefbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f9645c7d4ff9acc2561767880505859.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8478fa00b3f6f17ad5ad1578ffe1e599.png)
(2)复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d850c2157b5355cb1c718b4577483cb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29d206e50a42b41c9699bfa604e214fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29d206e50a42b41c9699bfa604e214fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77596bf17949ecb9f454ba8834918f59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7b5e96302c6b864417d7eb607bfa68d.png)
您最近一年使用:0次
7 . 已知复数
,
,则下列结论:①若
,则
;②若
,则
;③
;④
;⑤
正确的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b328f39ce6338591382dc7d24a8e456.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f37b264d4805a01b07f06733c4aebb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/612fb6068a3eb2e5ccab1a51dfdfd7af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c61cfbfd3bf888856b7dc9b2a84c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0d6d1f0c94a0552245b49ccb357556c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4205cd15fcfc36c816b58a6c62a3b50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/269f856ff52ec15a55bc8b4004266a92.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
2021-07-13更新
|
185次组卷
|
2卷引用:河南省商周联盟2020-2021学年高二下学期6月联考数学文科试题
20-21高一下·上海浦东新·期末
名校
8 . 已知
个两两互不相等的复数
、
、
、
、
、
,满足
,且
(其中
、2;
、1、2、
、
),则
的最大值为_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4792fd59c4ca11ff03dc32e367c3983f.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/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b6b4e6f57926cd95e4cf365422028b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c3871a062c5e0a4e009b01aa47afb48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2a14b56f7f7bb23cd4bf9041e440a46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcfc2347c264eeeb8e6e466533292fdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fafebbd85d7752f51c623d01afd034.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aa4dd10e848cc71144873a428946dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51cc689a7ccf4acfd2d5ecba23e9768.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2021-07-12更新
|
316次组卷
|
5卷引用:上海市华东师范大学第二附属中学2020-2021学年高一下学期期末数学试题
(已下线)上海市华东师范大学第二附属中学2020-2021学年高一下学期期末数学试题(已下线)第04讲 复数的概念(核心考点讲与练)-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)上海市七宝中学附属鑫都实验中学2021-2022学年高一下学期期末数学试题(已下线)专题01 复数-《期末真题分类汇编》(上海专用)上海市格致中学2023-2024学年高一下学期5月月考数学试卷
名校
9 . 设复数
(其中
,
),
,
(其中
).
(1)设
,若
,求出实数
的值;
(2)若复数
满足条件:存在实数
,使得
与
是某个实系数一元二次方程的两个虚数根,求符合条件的复数
的模的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b306656377d44466d0b78e728e27d61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d285a4c557fc9748105b62ccd94b7859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a76fb4e602f72e5fcfbe022ae631ac7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d24e06e36b1f9d429631b2223bcd7eca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b97b295f88972ba1c7e3cefda0885d.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f072c3a564e36a26d722e585379161ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e37c64fc12b438809bc6d723f359cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.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/e81e59019989b7dc2fb59b037ef6e010.png)
您最近一年使用:0次
2021-07-12更新
|
426次组卷
|
4卷引用:上海交通大学附属中学2020-2021学年高一下学期期末数学试题
10 . 已知复平面内
点对应的复数为
,
点对应的复数为
,
.若
,在
的轨迹上任取一点
,求
的面积取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe6c8c0b04eaf2d1729d63524172df97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/719fe6c33d484fd599b1936b57fa4396.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0663b7077ec6d9e2b7f924c06a39ef56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b70c2519610d6d1d6d0855b0f27dfc5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次