Question

find the following square by using the suitable Identity. (2a+3)^2​

Answer 1

Answer:

4a^2+12a+9

Step-by-step explanation:

using (X+y)=x^2+2xy+y^2

(2a+3)^2=2a^2+2.2a.3+3^2

= 4a^2+12a+9

Answer 2

Answer:

by using formula

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

2a^2+3^2+2×2a×3

4a^2+9+12a