Question

(a+b)2 hole square ...........​

Answer 1

(a+b)² = a² + b² + 2ab

..............................

Answer 2

Answer:

(a + b) (a + b) = a(a + b) + b(a + b)

= a2 + ab + ba + b2

= a2 + 2ab + b2

= a2 + b2+ 2ab