已知函数
,如果函数
恰有两个零点,那么实数
的取值范围为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9803b8c83794afb45a7461ada0306d64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
更新时间:2018-10-14 14:32:44
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