Question

what is (x+y) (x-y) ($x^2 + y^2$ )

Answer 1

Answer:

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Answer 2

Answer:

(x+y)(x-y)(x²+y²)

To solve the first part of the equation, we use identity 3.

Identity 3:- (a+b)(a-b)= a²-b²

A= x

B= y

[(x+y)(x-y)](x²+y²)

(x²-y²)(x²+y²)

We will again use identity three.

A= x^2

B= y^2

(x²)²-(y²)²

= x⁴-y⁴ Ans

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