解题方法
1 . 设a,b,c均为正数,且
,证明:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/751e274e9107d780c39ba9c49d6daefb.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b09fc94ae8293ad1de55d2990502588e.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08ff32f65e461bf423c27e9553b75e52.png)
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2022-05-22更新
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991次组卷
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4卷引用:新疆乌鲁木齐地区2022届高三下学期第三次质量监测数学(理)试题(问卷)