已知函数
.
(1)求
在
的极值;
(2)证明:函数
在
有且只有两个零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77e13a044328765cea64b88b55697d5a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ff8dca35b759d3051b62badd7d76bc.png)
(2)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03082f5566fefc90f6d14117ba1efcde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ff8dca35b759d3051b62badd7d76bc.png)
2022·广东汕头·三模 查看更多[5]
更新时间:2022-05-22 22:09:45
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