已知函数
(
且
),若对任意的
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
,不等式
恒成立,则实数a的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21a33c9e9577e5f262ec8c65f8ad519c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae018fde08edf0539089f98c17e11ff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92fefb26e820161f587116be61641ca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb2ee6773d60c5cfa1c8d151ea3e533b.png)
更新时间:2022-06-07 09:26:54
|
【知识点】 利用导数研究不等式恒成立问题
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