Question

Find using algebraic identities
a) (2x +3y)²​

Answer 1

Answer:

$4x^{2}$+$9y^{2}$+12xy

Step-by-step explanation:

$(a+b)^{2}$=$a^{2}$+$b^{2}$+2ab

(2x +3y)²​=$(2x)^{2}$+$(3y)^{2}$+2(2x)(3y)

$4x^{2}$+$9y^{2}$+2(6xy)

$4x^{2}$+$9y^{2}$+12xy