((x-y)^2+(x+y)^2)×(x^4-x^2y^2+y^4)化简
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((x-y)^2+(x+y)^2)×(x^4-x^2y^2+y^4)化简
原式=(x^2-2xy+y^2+x^2+2xy+y^2)(x^4-x^2y^2+y^4)
=2(x^2+y^2)(x^4-x^2y^2+y^4)
=2(x^6+y^6)
=2x^6+2y^6
((x-y)^2+(x+y)^2)×(x^4-x^2y^2+y^4)
=(2x^2+2y^2)×(x^4-x^2y^2+y^4)
=2(x^2+y^2)×(x^4-x^2y^2+y^4)
=2x^6+2y^6