Simplify the following expression: \ac4x3y22xy\ac{4x^3 y^2}{2x y}\ac4x3y22xy (assume x,y≠0x, y \neq 0x,y=0).
2x2y2x^2 y2x2y
2x4y32x^4 y^32x4y3
2x22x^22x2
6x2y6x^2 y6x2y