名校
1 . 已知复数
,
,(
,
是虚数单位).
(1)若
在复平面内对应的点落在第一象限,求实数
的取值范围;
(2)若
是实系数一元二次方程
的根,求实数
的值;
(3)若
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96544ce8dde58647985418eca751191d.png)
是实数,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/312d579856eaa966ed5a125371f2dcf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f174288cd663c1edb303247b864a12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e37c35e33ffa1a55a0693ae2319da91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579743813856e2a9183f5ec6eaaefbb2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e4e2b866b0043a32fc78326553841d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c4977c2bc9b8a0e52fba9f28f25cf7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e13d477ec252f1952efd7d97425bf40c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96544ce8dde58647985418eca751191d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc1125db2f0c15d34f1ad8f84185d5dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
2 . 设复数
.
(1)在复平面内,复数
对应的点在实轴上,求
;
(2)若
是纯虚数,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/510be896ab149d7454d2bfe928abf0cd.png)
(1)在复平面内,复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e34b88f343ca5a4c29057465541b9cf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6da4e6752d8c8a0705194f2b2f16ab5d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec04f844e8fd9d9b1ef835e23eaa54e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac79888f260f1275e8d718c74c186cae.png)
您最近一年使用:0次
2024-05-02更新
|
886次组卷
|
8卷引用:江苏省南京市建邺高级中学2022-2023学年高一下学期期末数学试题
(已下线)江苏省南京市建邺高级中学2022-2023学年高一下学期期末数学试题(已下线)专题07复数期末8种常考题型归类-《期末真题分类汇编》(人教B版2019必修第四册)(已下线)专题09高一数学下学期期末考点大汇总-《期末真题分类汇编》(人教B版2019必修第四册)(已下线)专题04 高一下期末考前必刷卷02(提高卷)-期末考点大串讲(人教A版2019必修第二册)(已下线)高一下学期期末考试03(范围:必修第一、二册)-重难点突破及混淆易错规避(人教A版2019必修第二册)福建省福州市八县一中2023-2024学年高一下学期4月期中联考数学试题重庆市乌江新高考协作体2023-2024学年高一下学期5月期中数学试题(已下线)第五章 复数(单元测试,新题型)-同步精品课堂(北师大版2019必修第二册)
名校
3 . 函数
的图象关于坐标原点成中心对称图形的充要条件是函数
为奇函数,有同学发现可以将其推广为:函数
的图象关于点
成中心对称图形的充要条件是函数
为奇函数.已知函数
.
(1)若函数
的对称中心为
,求函数
的解析式.
(2)由代数基本定理可以得到:任何一元
次复系数多项式
在复数集中可以分解为n个一次因式的乘积.进而,一元n次多项式方程有n个复数根(重根按重数计).如设实系数一元二次方程
,在复数集内的根为
,
,则方程
可变形为
,展开得:
则有
,即
,类比上述推理方法可得实系数一元三次方程根与系数的关系.
①若
,方程
在复数集内的根为
,当
时,求
的最大值;
②若
,函数
的零点分别为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/684eae051519f6aba934423a7182fa0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018e805194ffdc598b05f066b3ea6ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3279d65343e1b0bcdf8aed2d8522df0d.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/257dd4ddacb8667a761be897568f3674.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
(2)由代数基本定理可以得到:任何一元
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd7cf9e14c5762b28e2b626ee5a7c0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ad4bce39424043f2693a5f49f48d85e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7096476deb4b0b86a15c66856b93ba79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c9080eed5461a719145aa1e768c6ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad2afb260459e1708cd3b619f1f5a0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a15e691d7c439329b7c74ae0bc678ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8824ecc19d6daa94cb22ea94716296d6.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb291880ef86317d079c0e0b349403e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db0150d1fd43abcd4894550d40c5ac9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5bc4081a1bbf3e7b0a1c856975a0b9e.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a87f1b2ac4c09de232650533da16a300.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b00232b29c9fe2cc1b3f8bcb4dcaad1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73c1d26e119ff006209f50b5326fc3bb.png)
您最近一年使用:0次
4 . 若定义一种运算:
.已知
为复数,且
.
(1)求复数
;
(2)设
为实数,若
为纯虚数,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3576dac9cdf846d5fe07c467e81014bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3b018db6556061295e2881e5fc16046.png)
(1)求复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49c733a1d3960db0103d8c6e59df0a07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f44b56a93ac7266ccefd47e389570db0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2023-07-30更新
|
249次组卷
|
5卷引用:江苏省南京宇通实验学校2022-2023学年高一下学期期末模拟数学试题
江苏省南京宇通实验学校2022-2023学年高一下学期期末模拟数学试题(已下线)专题09高一数学下学期期末考点大汇总-《期末真题分类汇编》(人教B版2019必修第四册)【江苏专用】专题08复数(第一部分)-高一下学期名校期末好题汇编(已下线)5.2.1复数的加法与减法-【帮课堂】(北师大版2019必修第二册)(已下线)【高一模块三】类型1 新定义新情境类型专练
名校
解题方法
5 . 已知复数
,其中
是正实数,
是虚数单位
(1)如果
为纯虚数,求实数
的值;
(2)如果
,
是关于
的方程
的一个复根,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d3aa4af67f5fea83cc81ce2452389c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
(1)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01ea3cc01ce7266cdf0fd73fd50d23c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e639863c002aa3fc047212d3ff79f80f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afef882aa68e11bbcc627a641e809b0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/980ab4deb9e7f2bc9288787f5243a4d2.png)
您最近一年使用:0次
2023-07-02更新
|
711次组卷
|
6卷引用:江苏省无锡市天一中学2022-2023学年高一下学期期末数学试题(理强)
江苏省无锡市天一中学2022-2023学年高一下学期期末数学试题(理强)(已下线)第12章 复数 章末题型归纳总结-【帮课堂】(苏教版2019必修第二册)(已下线)高一下学期期末数学试卷(巩固篇)-举一反三系列(人教A版2019必修第二册)河南省信阳市浉河区信阳高级中学2023-2024学年高一下学期6月月考数学试题四川省达州市万源中学2023-2024学年高一下学期5月月考数学试题山东省聊城第一中学2023-2024学年高一下学期第二次阶段性测试数学试题
名校
6 . 已知
为虚数单位,复数
.
(1)若复数
满足
,求
的虚部;
(2)设复数
(
),若复平面内表示复数
的点位于第二象限,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/354867239f9cdd4a20aa3327097125fd.png)
(1)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fa569274096eea7fe75fc1189336fc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
(2)设复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/874b300ee36c2756bd3351315f8e8c16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9322dd8f56b5f8d2c667fdf0d4a9f9aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcf24524b4cb09d22400ff7bd258f0a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2023-06-30更新
|
545次组卷
|
2卷引用:江苏省苏州市2022-2023学年高一下学期期末学业质量阳光指标调研数学试题
解题方法
7 . 已知
,且
为纯虚数,其中
是虚数单位.
(1)若
,求复数
;
(2)若
在复平面内对应的点在第三象限,求复数
的实部的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b54286fe72b8305272c36c0a3a8d2bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46fb5f01fb57b019e94725fc567532e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22bc72e920dfc7afc3bbc4ce0bc14869.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23e88af69a8db87282355288384f7a95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
您最近一年使用:0次
2023-06-29更新
|
312次组卷
|
3卷引用:江苏省宿迁市2022-2023学年高一下学期期末数学试题
解题方法
8 . 设复数
,
,i为虚数单位.
(1)若
为纯虚数,求
的值;
(2)若
为实数,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/345f0affe3b1791094dfeb64cd694b9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/504d697ed8939aa65a141b41938ab19b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe615164ed2995bdeea0f5b0ba94231.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dde496c7ac62d6a230fdf695414df80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92d406b38d830e06c91c8f2d25b1201b.png)
您最近一年使用:0次
名校
解题方法
9 . 设
为实数,复数
,
.
(1)若
为纯虚数,求
的值;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc3a31ec199e06cb81b0755d4a71be6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aab15cfa691e78c4caf7d23046df9eca.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe615164ed2995bdeea0f5b0ba94231.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac14dd6f08713f7428e9d461f9916cb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-06-29更新
|
464次组卷
|
4卷引用:江苏省泰州市2022-2023学年高一下学期期末数学试题
江苏省泰州市2022-2023学年高一下学期期末数学试题江苏省泰州市靖江高级中学2022-2023学年高一下学期6月期末数学试题【江苏专用】专题08复数(第一部分)-高一下学期名校期末好题汇编(已下线)模块一专题6《复数》单元检测篇 A基础卷(苏教版)
10 . 设z是虚数,在平面直角坐标系xOy中,z,
,
对应的向量分别为
,
,
.
(1)证明:O,B,C三点共线;
(2)若
,求向量
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41042207515dd2e8349c805e6aee400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1245ed74a632317d3a0a106aa9d02eaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fc9656d8286c4d6fa309d6ae347c89e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef8337706c550bc095d7a2bd872221a1.png)
(1)证明:O,B,C三点共线;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/877f1a7e02a675480afc50d144782c16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e973a6cfc29bbeade6d6654d286b5c22.png)
您最近一年使用:0次