名校
解题方法
1 . 已知函数
的图像在点
处的切线方程为
.
(1)确定实数
的值,并求函数
的单调区间;
(2)若
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96d7cf7e0b299e3ef2f728e77a0f0ac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50866229ec5a3640fb250f9bd2192b3.png)
(1)确定实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3949d09b0d99077ba0c118b11ab8221.png)
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