Find f so that F = f. If the fuction is not conservative state so.

F(x,y) = (x - 3y + 7)i + (-3x + 3y + 8)j

evaluate ∫ ∫ g(x, y, z) dS . G

g(x, y, z) = z; G: y2 + z2 = 49, z 0, 2 x 3