已知函数
,若方程
有三个不同的实数根
,则
的取值范围为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c60110b6a12c35a55d33dff4411a0ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c342d52fc26cc550a45b80756903bee6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35bacde908aec2c313978fc4309d82bc.png)
更新时间:2021-12-17 22:10:43
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