已知
,曲线
在点
处的切线方程为
.
(1)求
的解析式;
(2)研究函数
在区间
内的零点的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bbd96ac341281bb78e382388e2f32f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b75e74b8b2c68c59623f724f6532cda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f281814a940820e52ec332185871e22f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)研究函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f752e9eb882915b7ab267e7d1899c3e.png)
更新时间:2017-05-07 15:29:53
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