名校
解题方法
1 . 设
,
是
的共轭复数,若
和
均为实数,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b54286fe72b8305272c36c0a3a8d2bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41042207515dd2e8349c805e6aee400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/005f6a19fe7b2709a8447830ea0a024a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c32849bfd957f6f3bba6f29dfefc388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a12bc3883cec9c1513befb8f4ce4fc9.png)
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2 . 已知复数
满足
,i为虚数单位,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db5919c4f18d698d1685b757fb6f8c40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fcfebd9f5a57036e6df6b6e14865da3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
3 . 已知复数
,a为实数,若
,则复数
的共轭复数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f903edb0eb261a3fe29287a6760eb1ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbb7977366db8b2e9408d19696c8b00b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22091522a894c3373de662476bb2eb99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f903edb0eb261a3fe29287a6760eb1ca.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-13更新
|
472次组卷
|
5卷引用:【全国百强校】河南省信阳高级中学2017-2018学年普通高等学校招生全国统一考试模拟测试数学(文)试题(一)
4 . 若
,则复数
的共轭复数为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e7f3f065c821f59e5df58a99382084.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
A.![]() | B.![]() | C.![]() | D.1 |
您最近一年使用:0次
13-14高二下·江苏连云港·期末
名校
5 . 设复数z满足
,其中i为虚数单位,则z的共轭复数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/545141bbe7cc66d18946a129179d8df1.png)
_________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bcaa4ac479811905fce7a580a3dd253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/545141bbe7cc66d18946a129179d8df1.png)
您最近一年使用:0次
2017-07-27更新
|
249次组卷
|
4卷引用:河南省南阳市第一中学2021-2022学年高二下学期第二次月考文科数学试题
河南省南阳市第一中学2021-2022学年高二下学期第二次月考文科数学试题(已下线)2013-2014学年江苏省连云港高二下学期期末数学试卷(选修历史)山东省泰安三中、新泰二中、宁阳二中三校2016-2017学年高二下学期期中联考数学试题江苏省南京市第二十九中学2018-2019学年高三下学期4月月考数学试题
6 . 已知复数
满足
,则
的实部与虚部的和是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/050931ba69ecca5f3eaad0ee690ae4d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41042207515dd2e8349c805e6aee400.png)
A.2 | B.0 | C.![]() | D.![]() |
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名校
7 . 若
是
的共轭复数,且满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41042207515dd2e8349c805e6aee400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c69ec45d10c735417c038cce978f8184.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-05-28更新
|
315次组卷
|
2卷引用:河南省息县第一高级中学2017届高三下学期第三次适应性测试数学(理)试题
解题方法
8 . 关于复数
的四个命题:
:复数
对应的点在第二象限,
:
,
:
的共轭复数为
,
:z的虚部为
.
其中的真命题个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/958e72bf154935954235c3a0e85f7b20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8be646cd52d7f2f1714e7542e75810f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adad9633b73dfbbb3d84b4f15979e99e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba9cbabe112a88187796bf19763012dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87b21b872313f7d8c5b606981f954a1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a4ecbc01377f27f2b180a28ce9e15b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc119550ce4fc5f3d1daf996e7243bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
其中的真命题个数为( )
A.4 | B.3 | C.2 | D.1 |
您最近一年使用:0次
2017-05-07更新
|
312次组卷
|
2卷引用:河南省信阳市2016-2017学年高二下学期期中考试数学(理)试题
9 . 已知复数
满足
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/050931ba69ecca5f3eaad0ee690ae4d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e9c3d509e77d6a7e4874302308c2aba.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 复数
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c386d968c03531254adc1a98adc2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0142cbc34fa3493b50615555ce4bea68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c386d968c03531254adc1a98adc2e4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次