(1)试比较
与
的大小;
(2)已知:
是正实数,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ba68b893ab0d73d560cd5b3a95995c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e2975891b892da25bddf5cb8ff7cd8.png)
(2)已知:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c48e4da908f869244dd5ba4dd3b4a79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f50907786779cae891361d048eb331.png)
更新时间:2022-10-25 19:56:58
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【推荐1】现有
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【推荐2】(1)已知对于任意非零实数
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