已知函数
(
为常数)与函数
在
处的切线互相平行.
(1)求函数
在
上的最大值和最小值;
(2)求证:函数
的图象总在函数
图象的上方.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88f2d4b91e1a2914ecee9376944a410b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c18ea9d563e1194e3e46c6da53ebb51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9210e75c35fb455d0446eb7ddba7d79c.png)
(2)求证:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
更新时间:2018-07-06 18:33:49
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适中
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【推荐1】已知函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adff20375da177c18c81348e630b0339.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16c43255584181098a871bcd4477187e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/530d7e97b106deab76a63eec7e0281c7.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ede78fd7ac619ea597856254bb5d75.png)
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