1 . 已知复数
满足
,则
的虚部为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6f4269c35e527fdfd7b1fd88553c945.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fcfebd9f5a57036e6df6b6e14865da3.png)
A.1 | B.-1 | C.![]() | D.![]() |
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2 . 已知复数
满足
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8abf1ea210ca46139bfc6d740f223b2c.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() ![]() |
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2024-04-19更新
|
403次组卷
|
2卷引用:广西壮族自治区河池市河池十校联体2023-2024学年高一下学期第一次联考(4月)数学试题
名校
3 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d971e248bd035650f7fc77adaea2ba1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/255fbf31588089a0ca2d8fc829d5476f.png)
A.-1 | B.![]() | C.![]() | D.1 |
您最近一年使用:0次
2023-07-26更新
|
129次组卷
|
2卷引用:广西壮族自治区河池市2022-2023学年高一下学期7月期末数学试题
4 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/872250139adf4f7e2a62dcbb75187505.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/872250139adf4f7e2a62dcbb75187505.png)
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5 . 已知复数
(
是虚数单位),则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2b15107450bd56787652a45ee9d75ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579743813856e2a9183f5ec6eaaefbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4f47e1ada5deceff8215c1c06f7aa0.png)
A.![]() | B.![]() | C.10 | D.34 |
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解题方法
6 . 欧拉公式
是由瑞士著名数学家欧拉创立,该公式将指数函数的定义域扩大到复数集,建立了三角函数与指数函数的关联,在复变函数论里面占有非常重要的地位,被誉为数学中的天桥.依据欧拉公式,下列选项中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45a83cdb6190f46cdd353002f7c869a0.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
解题方法
7 . 已知复数
,则
在复平面内对应的点位于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e63bbbcd3c5da945f537550cfa5cdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41042207515dd2e8349c805e6aee400.png)
A.第一象限 | B.第二象限 | C.第三象限 | D.第四象限 |
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8 . 已知
为虚数单位,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c534865a41d2c60f51ed9fd552170e24.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c534865a41d2c60f51ed9fd552170e24.png)
您最近一年使用:0次
解题方法
9 . 已知复数
,
,其中又
为非零实数.
(1)若
是实数,求
的值;
(2)若
,复数
为实数,求实数m的值.
![](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/9b0fffbec1fe851795dfdd448bf0d165.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/8839cfea4cb104b5d771c6fb63827000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afd7f22d818c9cde552663ebdf9b7e0f.png)
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10 . 已知
,
都是复数,
,
的共轭复数分别为
,
.下列命题中,真命题的序号是______ .
①若
,则
;
②若
,则
;
③如果
,那么
;
④若
,则
为实数.
![](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/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a58c9b59db78d9edf5b9f0e82f1f4228.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09db4d672b03b088a2646c889a49c8a9.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e37c64fc12b438809bc6d723f359cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9de59a6da1ee210ccf04651ae53275dd.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a7977d7239c13e044382d3bdc9ab015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/593563955a8b396a133672e822b2ac83.png)
③如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a93320810cccaf758196ac7b521cdd0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4235704295147ba43b3df562738a984b.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fec6568b5bd1bf17a422ffc98c5bb91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e34b88f343ca5a4c29057465541b9cf4.png)
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