设函数
.
(1)若
时,
恒成立,求
的取值范围.
(2)若实数a,b均为正数,且满足条件
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b72c3164decaaad0798c17a880beeb98.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998485ffeb46a0412ff1a0f814429257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若实数a,b均为正数,且满足条件
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2845092c3b152b5e6a47879a7518e45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1cf1a1fe3fedb8f239dab815502c6dc.png)
更新时间:2023-12-20 14:38:55
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(1)若
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(2)若
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(3)当
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您最近一年使用:0次
解答题-证明题
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适中
(0.65)
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【推荐1】已知函数
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(1)若对任意
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a87cc815b7088da109c05b85fe342281.png)
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(2)令
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