设函数
,
.
(1)当
时,函数
,
在
处的切线互相垂直,求
的值;
(2)当函数
在定义域内不单调时,求证:
;
(3)是否存在实数
,使得对任意
,都有函数
的图象在
的图象的下方?若存在,请求出最大整数
的值;若不存在,请说理由.(参考数据:
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64263fe2ca48e694c87496d61e63fb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f04b8abb99a9c8cff882634483d8134d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(2)当函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df49341b57eb107f416a014903ce25a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb56e53af78b007eefe751c2b7e5d31c.png)
(3)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3155eb542430d6496a68c5aa8ba2ba35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4ae3e3a599571430fbc1a7fb2daf195.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82a261b3b9b25321921fe2d89d3f104.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaabeb6bfcf7676f5c6fe8dbd2b91a23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/636926786d46b07b0612f427ecc5134c.png)
更新时间:2018-05-08 22:10:49
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