名校
解题方法
1 . 已知函数
.
(1)当
时,解不等式
;
(2)设
,且
的最小值为t.若
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c6e4556b2bc6e87c3d1b5a28c044577.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f61db73a5a9bce4ece8259a4c7d29376.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b72f9f38f5046c8ecd4280b7b14b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e14cd857ecb9810da61e12f2fcb50087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b57f879f6e8df7d5fb261328806260b3.png)
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2024-01-17更新
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3卷引用:四川省攀枝花市2024届高三二模数学(理)试题