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解题方法
1 . 已知
均为正实数,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/193e77c5e8a011af3b6bc4c7e3436600.png)
.
证明:(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/193e77c5e8a011af3b6bc4c7e3436600.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f90bae886c8ab958aa4c693bf8e0627d.png)
证明:(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92fa3ce73a935d89ac023bf9bc2136d5.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb218935dea452cc51bf841bd8f48c45.png)
您最近一年使用:0次
2021-08-26更新
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478次组卷
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2卷引用:吉林省实验中学2021-2022学年高三上学期第一次诊断测试文科数学试题