Question

a^2+b^2 =????????please tell

Answer 1

a²+b²=(a+b)²-2ab,

also

a²+b²=(a-b)²+2ab

Answer 2

Hi....
here is your answer:

✈a^2+b^2

➡we know that
(a+b)^2 = a^2+b^2+2ab

✈= (a+b)^2-2ab