申論題

7. Calculate this line integral by Stokes's theorem for the given F and C. Assume the Cartesian coordinates to be right-handed and the z-component of the surface normal to be nonnegative. F= [0,z³,0], C the boundary curve of the cylinder x² + y²= 1, x≧ 0,y ≧ 0， 0 ≦z≦1 (10%)