已知不等式
对任意正实数
,
恒成立,则正实数
的取值范围是_______________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89c22cd293e1a894e39834c30e32dd48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2021-08-01 11:07:53
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【知识点】 基本不等式的恒成立问题解读
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