已知函数
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231806901374336/SYS201311012318069013743019_ST/0.png)
.
(Ⅰ)求函数f(x)在区间[1,3]上的最小值;
(Ⅱ)证明:对任意m,n∈(0,+∞),都有f(m)≥g(n)成立.
考点分析:
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