名校
解题方法
1 . 已知
,
.
(1)当
时,求不等式
的解集;
(2)若
,
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/551a02ec895d161dee817ce7befa5254.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90a7e93ad4e0c0dbfa22e13764e5367.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b05cf23f15517e7b65a5db887b0e2ed.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac0b661e954284129dafa03668a6f907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88c9545be376f04600d643cbd520a520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b4aeed89faf0ba940c4ce65c809ecf2.png)
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2022-03-01更新
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483次组卷
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6卷引用:河南省许昌济源平顶山2022届高三第三次质量检测文科数学试题