Question

prove that (x²+y²)²=(x²-y²)²+4x²y²​

Answer 1

$\huge\star\mathscr{\underline{\underline{\purple{♡Answer♡}}}}\star$

Bro it is a formula no need to prove it dear...

so , ans of question is "It is a formula no need to prove it"

Hope it helps u ^_^

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Answer 2

LHS

(x^2+y^2)^2

RHS

(x^2-y^2)^2+4x^2y^2

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

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

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

therefore,LHS=RHS

Hence verified.