名校
1 . 已知
是关于x的方程
的一个根,求实数p、q的值及方程的另一个根.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78e68b5a97833d5fad53d2cf75e8cb5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783a7b78d895784b4af75b962bd40f07.png)
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2021-01-02更新
|
292次组卷
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6卷引用:上海市进才中学2019-2020学年高二上学期期末数学试题
上海市进才中学2019-2020学年高二上学期期末数学试题(已下线)专题2.4 复数【专项训练】-2020-2021学年高一数学下学期期末专项复习(沪教版2020)(已下线)第20讲 期末复习(练习)提升卷-【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)9.1 复数及其四则运算(作业)-【上好课】2020-2021学年高一数学下册同步备课系列(沪教版2020必修第二册)(已下线)第18讲复数全章复习(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)7.2 复数的四则运算(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)
2 . ⑴当
时,求证:
;
⑵已知
,
.试证明
至少有一个不小于
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03425cbe241074fd29fa5bb2b1da5820.png)
⑵已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39f015b400f6a000a581ef05c9f814ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
您最近一年使用:0次
2018-01-20更新
|
1026次组卷
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6卷引用:上海市实验学校2020-2021学年高一上学期期中数学试题
上海市实验学校2020-2021学年高一上学期期中数学试题江苏省泰州市2017-2018高二第一学期期末考试数学(文科)试题(已下线)第1章集合与逻辑精讲精练-2020-2021学年高一数学期末考试高分直通车(沪教版2020,必修一)(已下线)1.2反证法(第3课时)上海市南洋模范中学2022-2023学年高一上学期10月月考数学试题上海市曹杨第二中学2023-2024学年高一上学期第一次月考(10月)数学试题
3 . 已知复数
(
为虚数单位),当
为何值时,复数
为:
(1)实数;
(2)纯虚数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/782415bce1db0785238484d3ed7dc607.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(1)实数;
(2)纯虚数.
您最近一年使用:0次
4 . 已知无穷数列
,
,
满足:
,
,
,
.记
(
表示
个实数
,
,
中的最大值).
(1)若
,
,
,求
,
的可能值;
(2)若
,
,求满足
的
的所有值;
(3)设
,
,
是非零整数,且
,
,
互不相等,证明:存在正整数
,使得数列
,
,
中有且只有一个数列自第
项起各项均为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/086e9b14c35ef3c57b20f5e952ebf9c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36460040ddea4761eee10d537b14a1f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6844fe4d1c900139f36ebf2a9a782c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6856bfc1657012b5f778ec95b8fd0a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e589b5e3174af75615c4e0fd9a06330f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe682301f4353365c95405406797b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03c7767875fb53708a9c88c6c70cca31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f85dca6d37fa48a9c42a6481cb3738b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](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/e81e59019989b7dc2fb59b037ef6e010.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0736457346c11dd6f458418a4f747ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a3e32f036aa4ba5547e0d7a95de0dc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d45b9569448decf7d1a367020fb99b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a60302649eb940748da818199e55da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76cd99502cbbadcd585f0fd0b47f096c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88d4d802eaa971a74d0ec3af38b80cf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbcbd2a766b7cce3d1e35dd6b6c2530a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b9d22d6d70996be38315a1ed664f62e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c264cca2d434effa117b1b1bdd392142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/086e9b14c35ef3c57b20f5e952ebf9c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36460040ddea4761eee10d537b14a1f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6844fe4d1c900139f36ebf2a9a782c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
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名校
5 . 已知非零实数a、b、c两两不相等.证明:三个一元二次方程
,
,
不可能都只有一个实根.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cee197a607d3e7308d9443ff46be9f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd8d1958a5c4045b8f72a9d45c2f5c21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/104367e0096f4284b349c4e5e25a7e6c.png)
您最近一年使用:0次
2021-11-19更新
|
228次组卷
|
3卷引用:上海市南汇中学2022-2023学年高一上学期10月月考数学试题
名校
6 . 设
为关于
的方程
的虚根,
为虚数单位.
(1)当
时,求
的值;
(2)在(1)的条件下,若
,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6924c1ba24ba8ad58757aef3a218d29d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af63aedb5908a62d0b38e27a99373086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0877194ab8760f54c35527177b03ff93.png)
(2)在(1)的条件下,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/793c391cc92854f01634bd42a62bfa75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/503f208b68e02d5d2d7f8438a98c2275.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-11-07更新
|
416次组卷
|
2卷引用:上海市川沙中学2018—2019学年高二上学期期末数学试题
名校
7 . 设
为关于
的方程
(
)的虚根,
为虚数单位.
(1)当
时,求
、
的值;
(2)若
,在复平面上,设复数
所对应的点为
,复数
所对应的点为
,试求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f43e49552a5099a8b2a442247c65a243.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26927f1f0be044942dfce30c3607158.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbf9aad7eebf23ced14665d3a11e4e5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87b351f16728b0023fd63678f8103c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97e4b998bcf7ebf4cbc851570ecbe810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82358b724051b032c7ec734a226ae84.png)
您最近一年使用:0次
2020-02-28更新
|
337次组卷
|
6卷引用:上海市川沙中学2019-2020学年高一上学期期末数学试题
上海市川沙中学2019-2020学年高一上学期期末数学试题上海市交大附中2018-2019学年高二上学期期末数学试题(已下线)专题3.3 复数【易错题型专项训练】-2020-2021学年高二数学下学期期末专项复习(沪教版)上海市大同中学2020-2021学年高二下学期3月月考数学试题沪教版(2020) 必修第二册 新课改一课一练 第9章 单元复习山东省菏泽市东明县东明县第一中学2022-2023学年高一下学期5月月考数学试题
名校
8 . 定义:复数
是
(
)转置复数,记为
,显然
,即
与
互为转置复数.
(1)共轭复数的一些运算性质如
等,还有一些常用结论,如
等,尝试发现两个有关转置复数的运算性质(如:
)或其他结论;
(2)对任意的两个复数
、
,定义运算“
”:
,设
(
),求复平面上的点集
所围成区域的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f9f59c2f5cc2da06fa53faee11e197f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b40b6895776e0807c2baecbc8f33a8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/360ff131c51a4ef6745538c18cec92c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53fd1f18a019dc178e1b7c41f43470af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28399889f5576f48ba62bdfc2be2c84f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f6bc4ac395a4beceaf064f4df953269.png)
(1)共轭复数的一些运算性质如
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c7de238c8d02a87c0e36181c3c27b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78f3f10d56628a14d317b77ca338f17b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8742e8b945f73b9f10e726a0f29a4f8.png)
(2)对任意的两个复数
![](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/4fd94e5c210921dfbe11796b1fc97cee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94000be83a22f7a335f4839a14b427e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd9e4a7572ce9d7f8041b6ec5a3c3ade.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5ab4b75fa22deba7fcbcdcb31dd45b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad4e1b121d3e826c172cee7bb4915ed.png)
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名校
解题方法
9 . (1)实数
,比较
与
的大小;
(2)证明:
是无理数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2582892eba557b99dbe879efb9754d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8b00099c87d4771161c1eedad1c5f0c.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35361e76a7c85d1886728c8d0200b234.png)
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