m(x-1)=2005-n(x-2) for x has infinite roots
意思为这个式子有无限个根
将m(x-1)=2005-n(x-2)凑一下：
(m+n)(x-1)=2005+n
因为这个式子有无限个根
所以m+n=0 2005+n=0
所以m=2005 n=-2005
所以m的2005次方+n的2005次方=0
Math Problem,Welcome To Answer?
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