已知函数
.
(1)求函数
的最小值;
(2)若对任意的
,有
恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42979c0a84369f6795690f277b458d1c.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d387e9543b7d93a253e212154e42f100.png)
更新时间:2021-05-16 09:54:33
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适中
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解题方法
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(1)若
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(2)若
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(1)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17f179b0b2a4d43e722f2dd2027a6830.png)
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适中
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名校
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(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6422b9c2e93a91fe9e39ce4d9dabb0fc.png)
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(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fb1223c9c15e59a3366823f0f0ad5f5.png)
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适中
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【推荐2】已知函数
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