2010·江苏扬州·模拟预测
名校
解题方法
1 . 设
、
.
(1)若
在
上不单调,求
的取值范围;
(2)若
对一切
恒成立,求证:
;
(3)若对一切
,有
,且
的最大值为1,求
、
满足的条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/167f74e39d5fc14d728973f3427a16dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d2ecc78ad0a9d2a546c4616c2e46f65.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30a5498bb0236a2bb04ae38329b408.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca7abee186c4f82ce311c2bd35444989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b494b3920e6b6341b7db9dbaeef940f.png)
(3)若对一切
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18366c5d28d28abb643838e1e69310a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfc87ca700928c11c82de76e5e1ad668.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
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