已知函数
.(e是自然对数的底数)
(1)判断
在
上是否是单调函数,并写出
在该区间上的最小值;
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/222262608fdf7a1b247dd8f32db7352f.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638b532bd69d953432b7cbb67a746ab4.png)
11-12高三上·湖北荆州·阶段练习 查看更多[1]
(已下线)2011-2012学年湖北省洪湖二中高三12月月考理科数学试卷
更新时间:2016-12-01 09:15:21
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