x 3 y 3 3xy find dy/dx, x 3 y 3 3xy, x3 + y3 - 3x - 3y, x 3 - y 3, x3+y3-3xy, x3 + y3 + z3 - 3xyz, y x 3-3x, x 3y 3/x 3+y 3, x3 + y3, y x 3-3x 2, x3+y3-5xy, x 3-y 3 1, x3+xy+y3 3, y -3x+3, x3+y3 3axy, y 3-3xy 2 x 3+3x 2y, x3-xy+y3 1, x 3-y 3-z 3-3xyz, x 3+y 3-3axy 0, y x 3-x
x3 y3 - 3x - 3y. There are any references about x3 y3 - 3x - 3y in here. you can look below.