Question

( x - y ) ( x + y ) ( x²+y²) is equal to​

Answer 1

Answer

(x-y) (x+y) (x^2 +y^2 )

= x^2 +xy -y^2 - xy(x^2 + y^2)

=(x^2 -y^2)(x^2 +y^2)

= x^4 +x^2 y^2 -y^4 -x^2 y^2

= x^4 -y ^4 is the answer