名校
解题方法
1 . 已知函数
.
(1)证明:对任意的
,都有
.
(2)若关于
的方程
有两个不等实根
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f991208bb21eb52f9bab02d90dd64b0d.png)
(1)证明:对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047056c99b39c70fa40d3c8178e5b631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43920f5171ed31db2520ef00e4c5fc24.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eb2e46f49adba6036e2624639a1b966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5b677fee269b63c8ae43f0f6ddb5c70.png)
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