1 . 已知i是虚数单位,
,且
的共轭复数为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca6c17df8a51bb6492426fddcfb622.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a665041651302fc70d65ade6b631f0fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41042207515dd2e8349c805e6aee400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca6c17df8a51bb6492426fddcfb622.png)
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解题方法
2 . 已知复数
(
为虚数单位),则
的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fec94a222db0a1290b1be2fc81d4d4a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6447fb3ff7619b7c9e77e728bb14d18.png)
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名校
3 . 已知复数
,复数
是复数
的共轭复数,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aad2b1f562018fccd4881768472b2771.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/67ca6c17df8a51bb6492426fddcfb622.png)
A.1 | B.![]() | C.2 | D.![]() |
您最近一年使用:0次
2022-04-09更新
|
1395次组卷
|
9卷引用:陕西省商洛市2024届高三第四次模拟检测数学(文科)试题
4 . 在复平面上,若点
、
对应的复数分别为
、
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb8477bcc87b1401970171bf57b9ecb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c1fd680a5d355178273c6d6025eb80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/434aa388106412a9353689fd7ab340e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9014a2f6cf9dc5431d8c350d5fb91f74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b948b85375e9b38de576d02730e53e9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
5 . 复数
满足
,则
的最小值是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866ccb99bd2feb63131505dc796225a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de971553ea8a66d7849b138a4a0625c5.png)
您最近一年使用:0次
2020-04-03更新
|
532次组卷
|
5卷引用:陕西省宝鸡市渭滨区2018-2019学年高二下学期期末数学(理)试题
名校
6 . 已知方程
的两虚根为
、
,若
,则实数
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57a8805a0fa8a3a611861292d5df96b2.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/43748fee7294ba3028df107a49f9ec5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
A.![]() | B.![]() | C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2018-04-23更新
|
446次组卷
|
4卷引用:陕西省西安铁一中滨河高级中学2021-2022学年高三上学期学情调查(六)理科数学试题