Question

factorise x^5y - y^5x

Answer 1

if,
x=1
y=-1
=(1)^5(-1)-(-1)^5(1)
=1(-1)-(-1)(1)
=-1+1
=0

hope it hlps u

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Answer 2

x^5y-y^5x
=xy(x^4-y^4)
=xy{(x^2)^2-(y^2)^2)
=xy(x^2+y^2)(x^2-y^2)
=xy(x^2+y^2)(x+y)(x-y)

Hope it helps
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