Question

$formulae \: of \: {a}^{2} + {b}^{2} \: and \: {a}^{3} - {b}^{3} both$

Answer 1

a^2+b^2=(a+b)(a-b)
a^3+b^3=a^3+b^3+3ab(a+b)

Answer 2

a^2+b^2= (a+b)(a-b)

a^3-b^3 = (a-b)(a^2+ab+b^2)...