Simply using algebraic identity
(x^2+y^2)(-x^2+y^2)
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Answer:
( x^2 + y^2 )(—x^2 + y^2)
(Y^2 + x^2)(y^2 —x^2)
(A + B)(A-B) = a^2 - b^2
(y^2)^2 - (x^2)^2
= y^4 - x^4
Step-by-step explanation:
goelmannan:
Oh yes you are right. I just forgot the identity...
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