x2+y2=log (xy) হলে dxdx
A
(y-2x2y)/(2xy2-x)
B
(y-2x3)/(y-2x3)
C
(2x3-x)/(y-2x3)
D
(y-2x2y)/(x-2xy2)
Correct Answer: (y-2x2y)/(2xy2-x)