Question

(a+b)² -(a-b)² please answer is define​

Answer 1

Answer:

{a²+2ab+b²}-{a²-2ab+b²}

Answer 2

Answer:

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

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

= a^2 + b^2 +2ab - a^2 - b^2 +2ab

= 4ab