名校
1 . 利用平面向量的坐标表示,可以把平面向量的概念推广为坐标为复数的“复向量”,即可将有序复数对
(其中
)视为一个向量,记作
,类比平面向量的相关运算法则,对于复向量
,我们有如下运算法则:
①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c2e1a17e5fc03e723da511f9b09e90c.png)
②
;
③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0822271cf00be40e775f82a7080afad.png)
④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb467f8f90ba3c6ed8dcd5e9b385c5c0.png)
(1)设
,
为虚数单位,求
,
,
;
(2)设
是两个复向量,
①已知对于任意两个平面向量
,(其中
),
成立,证明:对于复向量
,
也成立;
②当
时,称复向量
与
平行.若复向量
与
平行(其中
为虚数单位,
),求复数
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1b39933abd56981a8bbcddf4b034df6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6227fc796e13ab80f2b5ccd4a8769588.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2adcabafb9c785403537056956f8ad8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20bc37ab790b711f0c35a641b9bb4ae3.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c2e1a17e5fc03e723da511f9b09e90c.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09eeba4bb1dfe0975a02c38fcc1b49a3.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0822271cf00be40e775f82a7080afad.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb467f8f90ba3c6ed8dcd5e9b385c5c0.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a6650a5e44b601c5a50b348b6d179d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebcb29b663cf1fb1ff2b3c9d1a7aebf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0631b4e25deaa9d9ba17dff5a3463605.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58530dec593308e46ac5af69be13a2f7.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bb379314dccab07cc53674173cde64d.png)
①已知对于任意两个平面向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55e252e7c38b0a709ffe7c908677253b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/751f52d4cf239511828e3960e41c61df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e255fd67f8f2318ebdb67c4a8c8496cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbc8b1e5c55bce554fc4a0de48279a8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72659ca68087f1aa5d442637ed3c41ad.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebd1c6734cf3d125541de04002b00012.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2780422eefb9e85b89074a1ba2a159d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433a8c622b44e1aa29e9989e6978dd7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77b3a6ecb6225c55fa164d801dff391.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25c70d0dafec614d310400b919671739.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3db22264e0df8e232e97934cb4e8b1ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66e9585a1da28d403536ea48b4c37a3e.png)
您最近一年使用:0次
2 . 利用平面向量的坐标表示,可以把平面向量的概念推广为坐标为复数的“复向量”,即可将有序复数对
(其中
)视为一个向量,记作
.类比平面向量可以定义其运算,两个复向量
,
的数量积定义为一个复数,记作
,满足
,复向量
的模定义为
.
(1)设
,
,
为虚数单位,求复向量
、
的模;
(2)设
、
是两个复向量,
①已知对于任意两个平面向量
,
,(其中
),
成立,证明:对于复向量
、
,
也成立;
②当
时,称复向量
与
平行.若复向量
与
平行(其中
为虚数单位,
),求复数
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1b39933abd56981a8bbcddf4b034df6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22b354e6c7519f6058962733b8eedbbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2adcabafb9c785403537056956f8ad8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2adcabafb9c785403537056956f8ad8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55057ec154953c92b784c20e74022a07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e2686fae5b5a60eea63ee275d14a16e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6094fa06ad6299c9ff0779f2fb7803d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2780422eefb9e85b89074a1ba2a159d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb467f8f90ba3c6ed8dcd5e9b385c5c0.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d79c521ef5ce4bca9c630b2d6d85ecc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d569aa59af59fc96bc386dc44826be4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2780422eefb9e85b89074a1ba2a159d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433a8c622b44e1aa29e9989e6978dd7b.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2780422eefb9e85b89074a1ba2a159d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433a8c622b44e1aa29e9989e6978dd7b.png)
①已知对于任意两个平面向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7ec6dba44a83ae69146c26a2eec325c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66717aa3e7a771427c1d4433c77a5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37d215887efb4ca0fa81dcda682c0b97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e255fd67f8f2318ebdb67c4a8c8496cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2780422eefb9e85b89074a1ba2a159d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433a8c622b44e1aa29e9989e6978dd7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad269c926dec642f20307ca2f46b9be5.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1340bf265d293daa2d0811324e2b0c25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2780422eefb9e85b89074a1ba2a159d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433a8c622b44e1aa29e9989e6978dd7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77b3a6ecb6225c55fa164d801dff391.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c0bebf14123935855b47e51c3bd2cfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707aed47159fae11f47e464c548a0b95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
您最近一年使用:0次
2023-07-04更新
|
876次组卷
|
14卷引用:上海市上海中学2022-2023学年高一下学期期末数学试题
上海市上海中学2022-2023学年高一下学期期末数学试题(已下线)专题7.6 复数全章八大压轴题型归纳(拔尖篇)--举一反三系列-(已下线)专题7.4 复数运算的综合应用大题专项训练-举一反三系列-(已下线)专题03 与复数有关的压轴题-【常考压轴题】(已下线)专题11+复数的四则运算(2)-《重难点题型·高分突破》(人教A版2019必修第二册)(已下线)7.2.2复数的乘、除运算——课后作业(提升版)单元测试B卷——第七章 复数(已下线)第9章 复数(单元测试卷)-同步精品课堂(沪教版2020必修第二册)(已下线)9.2 复数的几何意义-同步精品课堂(沪教版2020必修第二册)(已下线)专题06 期末解答压轴题-《期末真题分类汇编》(上海专用)(已下线)期末测试卷03-《期末真题分类汇编》(上海专用)(已下线)专题03 复数-《期末真题分类汇编》(人教A版2019必修第二册)(已下线)上海市高一下学期期末真题必刷04-期末考点大串讲(沪教版2020必修二)安徽省安庆市第一中学2023-2024学年高一下学期5月同步测试数学试卷
3 . 已知函数
,其中
,证明:存在
,且
.
的根的实部全部大于0.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70b748237d3ad510f872cb96097e0e32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82f016c950ab496393ba95c709cbc6e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af0e0c37d5595299c1886e6d812a946e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df3ac8c6973c1a97dc47d4fb6737c709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7165f4d49fc207e7cdc35fccdb18e532.png)
您最近一年使用:0次
名校
4 . 利用平面向量的坐标表示,可以把平面向量的概念推广为坐标为复数的“复向量”,即可将有序复数对
视为一个向量,记作
.类比平面向量可以定义其运算,两个复向量
,
的数量积定义为一个复数,记作
,满足
,复向量
的模定义为
.
(1)设
,
,求复向量
,
的模;
(2)设
、
是两个复向量,证明柯西一布涅科夫斯基不等式仍成立,即:
;
(3)当
时,称复向量
与
平行.设
、
,若复向量
与
平行,求复数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c20b691a717378e3d8190ae22dcfac98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f05d9f656141217dfaeb5f801b6bd076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f05d9f656141217dfaeb5f801b6bd076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30dbf9f180aaa478d4d882ac76396204.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22450b6531374303881c695c8a5620d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e7b089f50046f4c1b8ab6bbf76d01a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8abaee1c69773edf2ab23813457e7133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/265cbe9d30b58d4064180ebd00917709.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2620bbe3536336e8053dbe070bbbcda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c3c44388f3506e8e7233e8e66bfed1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8abaee1c69773edf2ab23813457e7133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71ba307b4e15fa3e07317bb750538d21.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8abaee1c69773edf2ab23813457e7133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71ba307b4e15fa3e07317bb750538d21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7814b368e7a77a4fa22b9a0a458030d1.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/038c9b64c1d13c3bc2ae0c45bb5b1bc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8abaee1c69773edf2ab23813457e7133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71ba307b4e15fa3e07317bb750538d21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e152ff599219b8a99f668fd45c087048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f2371caebe89fc60f795f58db5f3db7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8abaee1c69773edf2ab23813457e7133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71ba307b4e15fa3e07317bb750538d21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
您最近一年使用:0次
2021-07-12更新
|
1275次组卷
|
9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
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(已下线)7.2复数的四则运算C卷(已下线)专题05 复数压轴题型汇总-2021-2022学年高一《新题速递·数学》(人教A版2019)(已下线)第02讲 复数的运算-【帮课堂】2021-2022学年高一数学同步精品讲义(苏教版2019必修第二册)第12章 复数(单元测试)-2022-2023学年高一数学同步精品课堂(苏教版2019必修第二册)高一复数重难点提高卷-【同步题型讲义】(已下线)第七章 复数(基础、典型、易错、压轴)分类专项训练(2)(已下线)复数的概念与运算(已下线)第7章 复数-《重难点题型·高分突破》(人教A版2019必修第二册)
5 . 求证:
(1)
;
(2)
;
(3)
;
(4)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411d0fec78c98dda7eb2e048df7d1b40.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ea42cfc60639a2634a729e7a120152c.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/694edfed19f6c329e360bf2bef4e23d7.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a4695e20874a7ce9d94c3fc1d5f4504.png)
您最近一年使用:0次
2020-01-30更新
|
1273次组卷
|
6卷引用:人教B版(2019) 必修第四册 逆袭之路 第十章 10.2.2 复数的乘法与除法
人教B版(2019) 必修第四册 逆袭之路 第十章 10.2.2 复数的乘法与除法(已下线)第19讲压轴综合题(讲义)-【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)第十章 复数 10.2 复数的运算 10.2.2 复数的乘法与除法(已下线)专题05 复数压轴题型汇总-2021-2022学年高一《新题速递·数学》(人教A版2019)人教B版(2019)必修第四册课本习题10.2.2 复数的乘法与除法(已下线)第七章 复数(基础、典型、易错、压轴)分类专项训练(2)
名校
6 . 如图,已知满足条件
(其中
为虚数单位)的复数
在复平面
上的对应点
的轨迹为圆
(圆心为
),定直线
的方程为
,过
斜率为
的直线
与直线
相交于
点,与圆
相交于
两点,
是弦
中点.
(1)若直线
经过圆心
,求证:
与
垂直;
(2)当
时,求直线
的方程;
(3)设
,试问
是否为定值?若为定值,请求出
的值,若
不为定值,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be06a1c16775790e36020d472f6d6040.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2e81521fc8e5fa253ba80fc764529d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6440fce27b45e754415d3733f9af5dee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b1b15a4605fce993cb13aefbf40360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5953da9c9a4c59d9a00780ed278e9da5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/603688510d3f0e263680f984bcc8e1c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/8b61c714-f4ad-4a7f-80a1-ff0a2e356f07.png?resizew=207)
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名校
7 . 设复平面上点
对应的复数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb77d49f9e0b0d2e01c2258f493b3270.png)
(
为虚数单位)满足
,点
的轨迹方程为曲线
. 双曲线
:
与曲线
有共同焦点,倾斜角为
的直线
与双曲线
的两条渐近线的交点是
、
,
,
为坐标原点.
(1)求点
的轨迹方程
;
(2)求直线
的方程;
(3)设△PQR三个顶点在曲线
上,求证:当
是△PQR重心时,△PQR的面积是定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb77d49f9e0b0d2e01c2258f493b3270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93daf2cfc24f09c8474a14c9a5799cb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f2fd836eee4117616c00dff7a4068d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bde71eaaba1444a7a965721162fa9195.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](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/d3c16325e47c47fa58c4ac3b4c2c17b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(3)设△PQR三个顶点在曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
您最近一年使用:0次
2018-04-16更新
|
1083次组卷
|
4卷引用:上海市奉贤区2018届高三下学期调研测试(二模)数学试题
上海市奉贤区2018届高三下学期调研测试(二模)数学试题上海市位育中学2021届高三下学期开学考试数学试题(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)上海实验学校2022届高三冲刺模拟卷二数学试题
8 . 已知
是虚数,
是实数.
(1)求
为何值时,
有最小值,并求出|
的最小值;
(2)设
,求证:
为纯虚数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59ae50806d8c14f0275864b30e9f30a7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8ea06ebfbf9ca9c9dfea5be4d623068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8ea06ebfbf9ca9c9dfea5be4d623068.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f747900f5f6a6380bdab32ccbd4642e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad481cbfb67ac9cdbc0537f3de23b022.png)
您最近一年使用:0次
2017-05-21更新
|
2186次组卷
|
4卷引用:江苏省江阴市四校2016-2017学年高二下学期期中考试数学(理)试题
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