Question 5 Use Stokes' Theorem to evaluate F dr, where F(x, y, z) = ei+j+ek and C is the boundary of the part of the plane 8x+y+ &z=8 in the first octant. Select the correct answer. 23 49 16 69 Question 6 Use Stokes' Theorem to evaluate curl F-ds. F(x, y, z) =7xyi+7ej+7xy²k S consists of the four sides of the pyramid with vertices (0, 0, 0), (3, 0, 0), (0, 0, 3), (3, 0, 3) and (0, 3, 0) that lie to the right of the xz-plane, oriented in the direction of the positive y-axis. Select the correct answer. 12 16 49 0 1