Question

If f(2x+3y,2x-3y)=24xy then (x,y) = ......... (a)2xy (b)3(x^2-y^2) (c)(x^2-y^2) (d)x^3-y^3

Answer 1

Answer:

THE RIGHT ANSWER IS (C)

Step-by-step explanation:

f(2x + 3y, 2x – 3y) = 24xy = (2x + 3y)2 – (2x – 3y)2  ∴ f(x, y) = x2 – y2...