解题方法
1 . (1)解关于
的不等式:
;
(2)已知
,其中
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7908ebc40d8bad3619d65d29ed41af2f.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59ae699393cfd57fa5e773ed52bb1ffb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adc3e5be1796493161a4df7e28a6f6b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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名校
解题方法
2 . 已知函数
,且
的解集为
.
(1)解关于
的不等式
,
;
(2)设
,若对于任意的
、
都有
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fdad1e5b53f816db7b5f092357e040a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
(1)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b229e9d5c314ac1b71c7da311a5efeaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abad909e0902a78436f29d6a755e2e1.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f804d4e791b829a3d80c05bc128cc608.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ba8542fbe02e78cf3948c9abea9855.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08a5bab6f0927d17d318b07c9e2bfffa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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