help in this

Verify Stokes' theorem for A = (y - 2 + 2)i+ (yz+4)j-xzk where S' is the surface of the cube x = 2, y = 2. z = 2, x = 0, = 0, z = 0, over the ry plane (i.e. the face z = 0 is open). Solution: S6.63 S C