Question

X1
Find the value of k if:
xy²k = (4xy + 3y)² – (4xy - 3y)²​

Answer 1

Step-by-step explanation:

(a+b)^2-(a-b)^2

(4xy+3y)^2-(4xy-3y)^2

(16xy^2+9y^2+24x(y)^2)-(16xy^2+9y^2-24x(y)^2)

16xy^2+9y^2+24xy^2-16xy^2-9y^2+24xy^2

48xy^2

xy^2k=48xy^2

k=48

I think u Understand the answer.