解题方法
1 . 记复数的一个构造:从数集
中随机取出2个不同的数作为复数的实部和虚部.重复
次这样的构造,可得到
个复数,将它们的乘积记为
.已知复数具有运算性质:
,其中
.
(1)当
时,记
的取值为
,求
的分布列;
(2)当
时,求满足
的概率;
(3)求
的概率
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57640b1fd3198b4923c61a7c5fb53c61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9dc4e868a310c371ff88075d8a966a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6772d33e3e6b46834bfa6710d31d2f0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e9c3910f721303685d56a8aeaccec2.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc2d3df37e73a8abea815f37dbb3fff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080bca5fd0f1ac5d834074b3e00f92bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be604061cf1591f7069472269d4c9719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cf2903ee65254ac0df06c3171cfec4f.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da7a625440c113848a5d7ad526d153c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
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2 . 设
是一个关于复数z的表达式,若
(其中x,y,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9b1cee5ac65b4e32cb0fb9e5ba4da6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c915b4ce31fabfd4703c547291ad9277.png)
为虚数单位),就称f将点
“f对应”到点
.例如
将点
“f对应”到点
.
(1)若
点
“f对应”到点
,点
“f对应”到点
,求点
、
的坐标;
(2)设常数
,
,若直线l:
,
,是否存在一个有序实数对
,使得直线l上的任意一点
“对应”到点
后,点Q仍在直线
上?若存在,试求出所有的有序实数对
;若不存在,请说明理由;
(3)设常数
,
,集合
且
和
且
,若
满足:①对于集合D中的任意一个元素z,都有
;②对于集合A中的任意一个元素
,都存在集合D中的元素z使得
.请写出满足条件的一个有序实数对
,并论证此时的
满足条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5c01e03a93ade8659780af659f12e09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5bbd08209bda97df3e33163556561e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9b1cee5ac65b4e32cb0fb9e5ba4da6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c915b4ce31fabfd4703c547291ad9277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e30096b7bfb7d8e94336df5d1f92f16d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969b9043717a5b07402958abc5749290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edaef66a0582e95fb5c57a405acdea9a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b40590fd0945eb5c688d64e0a8d9f3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16f669a1d6376f795f05b47eb7d8067c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86380a6d6501f6504dcb4aa5e3099f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2692896964f98fc258f795c0be6dd35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86380a6d6501f6504dcb4aa5e3099f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
(2)设常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51159984b2cb00f30b3986315019623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae96f5020aef5aef03ec7f406460f608.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/649546dd164eaac1f5f77a20293899c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30b9dfb28a818d4435d04c101174bbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e30096b7bfb7d8e94336df5d1f92f16d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30b9dfb28a818d4435d04c101174bbbb.png)
(3)设常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19339e3904e9541ff26b30ae5f1242b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26c471126f22232a1ff1e88591bde0cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3473c334445af65176dde2d2e5d890ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0054d6123e214792c699c3ec1a1f8fd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b9f9cebf7c3111773f43f0be6510148.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a3ac8e9f3746c0993b1f1d31620fec2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f70b34fa2acd6a5c2e2e37222d58ec68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2527414d896f7af69a7a620e1cc57676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5c01e03a93ade8659780af659f12e09.png)
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9卷引用:浙江省绍兴市第一中学2023-2024学年高一平行班下学期期中考试数学试卷
浙江省绍兴市第一中学2023-2024学年高一平行班下学期期中考试数学试卷上海市控江中学2022-2023学年高一下学期期末数学试题上海市静安区回民中学2024届高三上学期12月阶段性测试数学试题(已下线)专题01 条件开放型【练】【通用版】湖南省邵阳市第二中学2024届高三下学期入学测试数学试题(已下线)高一下学期期中数学试卷(提高篇)-举一反三系列(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)专题03 复数-《期末真题分类汇编》(人教A版2019必修第二册)江苏省泰兴中学、泰州中学2023-2024学年高一下学期5月联合质量检测数学试卷
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解题方法
3 . 在复数范围内(
是虚数单位),下列选项正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579743813856e2a9183f5ec6eaaefbb2.png)
A.关于![]() ![]() ![]() |
B.复数![]() ![]() |
C.若复数![]() ![]() ![]() |
D.已知![]() ![]() ![]() ![]() ![]() |
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4 . 下列说法中,正确的有( )
A.复数![]() ![]() |
B.“![]() ![]() |
C.已知复数![]() ![]() ![]() |
D.在复数范围内,若![]() ![]() ![]() ![]() |
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2卷引用:浙江省杭州地区(含周边)重点中学2022-2023学年高一下学期期中数学试题
5 . 已知
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea77b7c1c49d58da6fbaf2890c65634a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd3d507c496db2a7ee9a72efb2659951.png)
A.当![]() ![]() |
B.复平面内复数![]() ![]() |
C.![]() |
D.![]() |
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10卷引用:浙江省宁波市慈溪市2022-2023学年高三上学期期末数学试题
浙江省宁波市慈溪市2022-2023学年高三上学期期末数学试题(已下线)第七章《复数》同步单元必刷卷(基础卷)-2022-2023学年高一数学《考点·题型·技巧》精讲与精练高分突破系列(人教A版2019必修第二册)(已下线)倒数第14天 复数、平面向量(已下线)专题7 复数(已下线)12.1 复数的概念-2022-2023学年高一数学《考点·题型·技巧》精讲与精练高分突破系列(苏教版2019必修第二册)(已下线)第七章《复数》同步单元必刷卷(培优卷)-2022-2023学年高一数学《考点·题型·技巧》精讲与精练高分突破系列(人教A版2019必修第二册)第十二章 复数(A卷·基础提升练)-【单元测试】2022-2023学年高一数学分层训练AB卷(苏教版2019必修第二册)(已下线)专题06 复数综合(2) - 期中期末考点大串讲(已下线)重难点专题03 复数-2022-2023学年高一数学重难点题型分类必刷题(人教B版2019必修第四册)(已下线)第五节 复数 A素养养成卷
解题方法
6 . 下列命题正确的是( )
A.任意向量![]() ![]() |
B.任意复数![]() ![]() |
C.任意向量![]() ![]() |
D.任意复数![]() ![]() |
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解题方法
7 . 在复平面中原点为O,已知A对应的复数为
,点B对应的复数为
,
,点C对应的复数为
,且
,且B,C均在实轴上方,
(1)求
的取值范围;
(2)当
时,P是线段
上的动点,求
的取值范围;
(3)求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f48d2b68f7480f35f9f2632564d1dd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52bb069b71ff58af8b36823d1af6a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a67a742d2a43e907fb1c3a1bdf1d6a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86d2d17663db4e87a6bc187a43700924.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b87e8cdf5716e8c4aa29de4d4bd6d7b6.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/223b6f16e1cdb3ab3d10905d7fa0a7bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73de3a47976a9e064dd7e3091894acc0.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b18c66c4e24d0475b2cd9ddc5e53540f.png)
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8 . 已知虚数
满足
,
表示
的共轭复数,则结论不正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5c6b89b69721e00cdfb30bef61a4916.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfbe7f95b5d89f9409ec24536da9e826.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 下列命题正确的是( )
A.用斜二测画法画水平放置的平面图形的直观图时,原来平行的线段仍然平行. |
B.有两个面互相平行,其余各面都是平行四边形的几何体一定是棱柱. |
C.若复数![]() ![]() ![]() ![]() ![]() ![]() |
D.若复数z的模为5,虚部为![]() ![]() |
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10 . 下列命题正确的( )
A.若复数![]() ![]() |
B.若![]() ![]() ![]() ![]() |
C.若![]() ![]() |
D.已知![]() ![]() ![]() |
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