已知(x-y)的4m-3方/(x-y)的m-2方=x-y,试求m的值
问题描述:
已知(x-y)的4m-3方/(x-y)的m-2方=x-y,试求m的值
答
(x-y)的(4m-3)次方/(x-y)的(m-2)次方=x-y
(x-y)的[(4m-3)-(m-2)]次方=x-y
(x-y)的(3m-1)次方=x-y
3m-1=1
3m=2
m=3分之2
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