已知函数
,
.
(1)当
时,求函数
的单调区间;
(2)若不等式
对任意的正实数
都成立,求实数
的最大整数值.
(3)当
时,若存在实数
且
,使得
,求证
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f51b45c6ae148fd6ee91b3cd79050726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64e0cdbc2165b9a3477b6ffe4057f699.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4acda6b6464db27e1ec18a1522406d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1f72c12b33e1f8a8669c8064aacd71b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87027136ff548fc504dea240e75cea86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a9ba50ede8ef97b843accf839fef5c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/924e707a7e33bfcccbc05c8c5557a0af.png)
更新时间:2020-04-23 23:55:26
|
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名校
【推荐1】已知函数
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