已知函数
.
(1)求曲线
在
处的切线方程.
(2)设函数
有两个零点
,且
.
①求m的取值范围;
②证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a20d65924c367fac18225346e5c1c8e.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc046a7b475b5130da69bf537226ec8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd8ca3aa2d1ba52e82613d0d65d800e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
①求m的取值范围;
②证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe5588f4be8eb98f7ab545a7bde7343a.png)
更新时间:2022-06-01 17:12:18
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