Question

Solve with brief Explanation...
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(a^2+ b^2) (- a^2+ b^2)​

Answer 1

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$\large{\underline{\rm{\pink{Required\:Answer:}}}}$

$\mapsto\:\:\rm{(a^2+b^2)(-a^2+b^2)}$

$\mapsto\rm{a^2(-a^2)+(a^2)b^2+(b^2)-a^2+(b^2)b^2}$

$\mapsto\:\rm{-a^4+a^2b^2-a^2b^2+b^4}$

$\mapsto\:\rm{-a^4+b^4}$

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Answer 2

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