名校
1 . 下列说法中正确的有( )
A.已知复数![]() ![]() ![]() ![]() |
B.已知复数![]() ![]() ![]() |
C.在![]() ![]() ![]() |
D.在![]() ![]() ![]() |
您最近一年使用:0次
2022-12-19更新
|
679次组卷
|
6卷引用:山东省聊城市聊城第一中学2021-2022学年高一下学期期中数学试题
山东省聊城市聊城第一中学2021-2022学年高一下学期期中数学试题(已下线)第20讲 复数的三角形式(已下线)第七章 复数(综合检测卷)(已下线)第19讲 复数的乘、除运算2(已下线)7.2.2 复数的乘、除运算(分层作业)-【上好课】2022-2023学年高一数学同步备课系列(人教A版2019必修第二册)(已下线)第七章 复数 章节验收测评卷-【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)
2 . 下列说法错误的是( )
A.若复数![]() ![]() |
B.若复数![]() ![]() |
C.若平面向量![]() ![]() |
D.若平面向量![]() ![]() |
您最近一年使用:0次
名校
解题方法
3 . 下列说法正确的是( )
A.一条直线和一个点可以确定一个平面 |
B.如果![]() ![]() ![]() ![]() ![]() ![]() ![]() |
C.向量![]() ![]() ![]() ![]() ![]() |
D.复数![]() ![]() ![]() ![]() |
您最近一年使用:0次
2022-11-15更新
|
185次组卷
|
2卷引用:黑龙江省佳木斯市第十二中学2022-2023学年高二上学期开学考试数学试卷
4 . (1)已知平面向量
,
,若
与
平行,求实数
的值.
(2)已知复数
是方程
的解,若
,且
(
、
,
为虚数单位),求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f4dcf415977dea53f52a85b6b82136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6298f5ea480c1db659fad4d4c658da47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3143307ad0ba4a631eac04e814993655.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)已知复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0d4d254ff83c9298b1eecb3b4c831c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/807472b86889a79c4b0dc376c3edd5d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b6ec89b956b2b79bcdf1d4aae8def0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd0914dc4d4c7f75710ff460a286fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fff0f1b6dd0be54207299f6c22eec25f.png)
您最近一年使用:0次
名校
5 . 已知函数
.
(1)若复数
(其中
为虚数单位),求
的值;
(2)过点
的直线
与
切于点
,求直线
的斜率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/346223b37f882e9c3e566dfcb0484ee1.png)
(1)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4962dd8e8c96cd3d35d47ef4892d3c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac79978c51901ba5bdd75f2bb56b6513.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ba6562f59bb717a348d619e7b0c1654.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abce3142dda54e3e86e6290914aba82d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
名校
解题方法
6 . 下列命题中真命题有( )
A.已知![]() ![]() ![]() ![]() |
B.若定义域为R的函数f(x)是奇函数,函数f(x-1)为偶函数,则f(2)=0 |
C.复数z满足|z|2=z2 |
D.函数![]() |
您最近一年使用:0次
名校
解题方法
7 . 已知复数
,
,其中
为非零实数.
(1)若
是实数,求
的值;
(2)若
,复数
为纯虚数,求实数
的值;
(3)复平面内,定点
与
对应,记满足
的
对应的点的轨迹为曲线
,求点
到
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c916fd7ddb4e800d98b15ce54c4d66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24f6398f6c1b247ccb5da442f9c5b4d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dd371a85c39b68ea5adc912651ca58b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe615164ed2995bdeea0f5b0ba94231.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4e7bf9200b351a259ddfc6c0266129d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49af9d8fc4e5577650b45c8cc17011d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba2b45e67a031206d58bbbed2c0bc31b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)复平面内,定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c41e2ce54bd5c9eb5badf609f1d9b06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
您最近一年使用:0次
8 . 设数集
满足下列两个条件:
(1)
,
;(2)
或
,则
.
现给出如下论断:
①
中必有一个为
;②
中必有一个为
;
③若
且
,则
;④存在互不相等的
,使得
.
其中正确论断的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdb2d47adc0c91dad269b8cd26c65379.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7713fd0e67f11fa4c18069224c7cc53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9f121689ff20f92685be3581e0118aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fde54c2f5832053e02309058e45c840.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a11a069688e4c797fcf527eab15afa82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce72e4fd04184e4df06ec90937a9a76.png)
现给出如下论断:
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dca91a8345141bf4ff54da38ac85608.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dca91a8345141bf4ff54da38ac85608.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c8647b00cc8c8f35555c7d78cf2812c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/377a2333ff8c63cbdb20b882d6d5a7ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45c8b2714e2f6ddfdd6b05d3b4de1149.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8c122bf0489bd50fdacfa76ced475f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c509b1e861141815ba06dd3354f8108c.png)
其中正确论断的个数是( )
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
9 . 下列四个命题:
①复数
在复平面中对应的点在第二象限
②已知幂函数
为偶函数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba24ca9648a13438daa6da7a10073163.png)
③若函数
定义域为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9105339cc1da9c8e712a0afc4747515e.png)
④
,
恒成立
其中真命题的序号是______ .(把真命题的序号都填上)
①复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac81f6bc59de6ce74ee249bcbbe29dd.png)
②已知幂函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eb7ed9690c65a9fbfe0441af5f0b26e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba24ca9648a13438daa6da7a10073163.png)
③若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04baf30346c2980f1c9627e1f86f60b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9105339cc1da9c8e712a0afc4747515e.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e57d1396a1ed81be204e6e1863d0c13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80fcb77b3bdf39c6c3b6081c8663a6aa.png)
其中真命题的序号是
您最近一年使用:0次
解题方法
10 . 下列结论正确的是( )
A.已知向量![]() ![]() ![]() ![]() |
B.已知单位向量![]() ![]() ![]() ![]() ![]() |
C.已知i为虚数单位,若![]() ![]() ![]() |
D.已知![]() ![]() ![]() |
您最近一年使用:0次