(x^2+y^2)^2-4xy(x^2+y^2)+4x^2y^2 1/2a^3x^2-2a^2xy+2ay^2 因式分解(x^2+y^2)^2-4xy(x^2+y^2)+4x^2y^21/2a^3x^2-2a^2xy+2ay^2因式分解

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(x^2+y^2)^2-4xy(x^2+y^2)+4x^2y^21/2a^3x^2-2a^2xy+2ay^2因式分解(x^2+y^2)^2-4xy(x^2+y^2)+4x^2y^21/2a^3x^2-

(x^2+y^2)^2-4xy(x^2+y^2)+4x^2y^2 1/2a^3x^2-2a^2xy+2ay^2 因式分解(x^2+y^2)^2-4xy(x^2+y^2)+4x^2y^21/2a^3x^2-2a^2xy+2ay^2因式分解
(x^2+y^2)^2-4xy(x^2+y^2)+4x^2y^2 1/2a^3x^2-2a^2xy+2ay^2 因式分解
(x^2+y^2)^2-4xy(x^2+y^2)+4x^2y^2
1/2a^3x^2-2a^2xy+2ay^2
因式分解

(x^2+y^2)^2-4xy(x^2+y^2)+4x^2y^2 1/2a^3x^2-2a^2xy+2ay^2 因式分解(x^2+y^2)^2-4xy(x^2+y^2)+4x^2y^21/2a^3x^2-2a^2xy+2ay^2因式分解
(x^2+y^2)^2-4xy(x^2+y^2)+4x^2y^2
=(x²+y²-2xy)²
=(x-y)^4
1/2a^3x^2-2a^2xy+2ay^2
=1/2a(a²x²-4axy+4y²)
=1/2a(ax-2y)²