Question

(a + b) = a² +2a b+b?​

Answer 1

Answer: This is a standard formula, It's derivation is given below

Step-by-step explanation:

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

              =(a+b)(a)+(a+b)(b)

              =a^2+ab+ab+b^2

              =a^2+2ab+b^2

HOPE THIS HELPS!!!!!!!!