Question

Que. 2) Simplify: *
(x + y) (x - y) (x² + y²)​

Answer 1

Answer:

x^4-y^4

Step-by-step explanation:

(x+y)(x-y)(x²+y²)

(x²-y²)(x²+y²)  

=(x²)²-(y²)²  {(a+b)(a-b)=a²-b²}

=x^4-y^4

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