Question

expand using suitable identity (2a+3b)2l​

Answer 1

Answer:

using formulae

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

Step-by-step explanation:

:- (2a)^2 + (3b)^2 + 2 (2a×3b)

4a^2 + 9b^2 + 2(6ab)

Ans: 4a^2 + 9b^2 + 12ab