Check all of the expressions that are equal to the one below. (5+2). 9
A. 5+ (
29)
B. 9.5+ 9.2
O C. (2 + 5). 9
O D. (2 + 9). (5 + 9)
SUBMIT

Use stokes' theorem to evaluate c f · dr where c is oriented counterclockwise as viewed from above. f(x, y, z) = xyi + 5zj + 7yk, c is the curve of intersection of the plane x + z = 8 and the cylinder x2 + y2 = 81.