Question

factories this question ​

Answer 1

Answer:

(a+b) (a+b) = (a+b)²

(2x+3y)²= (2x)²+ 2×2x×3y+ (3y)²

= 4x²+ 12xy+ 9y²

Answer 2

Answer:

b

(2x+3y)^2

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

so,a=2x,b=3y

so,4x^2+12xy+9y^2

so,b is correctanswer