已知函数
,若关于x的方程
有四个不同的根
且
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34daa733521da42cea630e83ac2bbb01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8ccd22fd0ca1a8e1468329284f91b6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f653eca1515c6c3c43b3272c475bbf.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2019-12-16 10:26:46
|
【知识点】 根据指对幂函数零点的分布求参数范围
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