Question

Product of (x+y), (x-y)and (x^2+y^2) is (a)x^2-y^2
(b)x^4+y^4
(c)x^4-y^4

Answer 1

(c) x^4-y^4

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

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

(x^4-y^4).