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解题方法
1 . 已知是
虚数单位,复数
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579743813856e2a9183f5ec6eaaefbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97332fd32e6a8303491e7cfefce39a0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/185177753c6cc3e3136ad747d5de384c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2012·吉林长春·一模
2 . 已知
(e为自然对数的底数),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d23c1f6ef936f5f51dce73fe46b34e09.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32d02c689afcc52bb77d81ba5d1e1a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d23c1f6ef936f5f51dce73fe46b34e09.png)
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2017-08-01更新
|
30次组卷
|
3卷引用:宁夏固原市五原中学补习部2021届高三上学期期中考试数学(理)试题
宁夏固原市五原中学补习部2021届高三上学期期中考试数学(理)试题河南省郑州市第一中学网校2016-2017学年高二下学期期中联考理科数学试题(已下线)2012届吉林省长春市高三第一次调研测试理科数学试卷
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3 . 设函数y=f(x)的定义域为
,若对给定的正数K,定义
则当函数
时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31a141e697b1a31a9a4e759984e899a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63038fcd0eb791961512fd935a83a6ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87a2524f23a99ab22adfe3006eed206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54f5a4d1f331c245cb2ddb6772c07518.png)
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