作业帮x^2y(a-b)^2n+xy^2(b-a)^2n+1因式分解
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x^2y(a-b)^2n+xy^2(b-a)^2n+1因式分解
x^2y(a-b)^2n+xy^2(b-a)^2n+1因式分解
x^2y(a-b)^2n+xy^2(b-a)^2n+1因式分解
原式=x^2y(a-b)^2n-xy^2(a-b)^(2n+1)
=xy(a-b)^2n[x-y(a-b)]
=xy(a-b)^2n(x-ya+yb)