已知函数
,其中
.若
对
恒成立,则
的最小值为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc11dc287e6a0b673dcbcd9d71ec922a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4986ce6da31b7b3fe20504b0ee37accd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
17-18高三上·江西·阶段练习 查看更多[3]
更新时间:2017-10-12 15:17:43
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