名校
1 . 已知
,且
.
(1)求
的最小值m;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a521891098b625f372ff648d110afe1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7a78be779a807b53897bfeea6c8e4a1.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa629b250bb3e84a30472721dd687dd5.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72544819df06031b061214aa0ebd3071.png)
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7日内更新
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2卷引用:四川省成都市第七中学2024届高三下学期热身考试数学(文)试卷
名校
2 . 设函数
.
若关于x的不等式
的解集为
,求a,b的值;
若
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b697c4a41a678be39ade3e3f38c8c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f5b88596dddb6a447a1d8fb06bef4d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a49e8b6efab71f87117d432ec839f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a4e64564f2a3e9ef21bab30a2189249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd330acca8e17f5ff9aca1f0f312df50.png)
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2019-03-27更新
|
520次组卷
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6卷引用:四川省宜宾市兴文第二中学校2024届高三上学期期末数学(文)试题