Question

Verify the identity (a+b)Sq =(a)sq+2ab+(b)sq

Answer 1

(a+b)² can be written as (a+b)(a+b)
(a+b)(a+b)= a²+ab+ab+b²
                 = a²+2ab+b²

HOPE THIS ANSWER HELPED U A LOT

Answer 2

(a+b)²=(a+b)(a+b)
or , = a²+ab+ab+b²
or, =a²+2ab+b² (verified).
=====================