名校
解题方法
1 . 已知函数
.
(1)当
对,求函数
的最小值;
(2)若
对
恒成立,求实数
取值集合;
(3)求证:对
,都有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0daab460e2b22642d1e1c25e138145b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac4cbc7b067862a3d9c6789b392fc068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)求证:对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72620c113a6fe83273803a9ac24baa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c2c1f263350273b17c2b2f69c23ad55.png)
您最近一年使用:0次
2022-12-29更新
|
1009次组卷
|
2卷引用:四川省成都市第七中学2022-2023学年高三上学期12月阶段性测试数学(文)试题