Question 1
Find the flux of
i - xy
j +3z
k out of the solid region bounded by the parabolic cylinder

and the planes

, and

◦ 48
◦ 176
◦ 64
◦ 208
◦ 112
Question 2
Evaluate

where S is the first-octant part of the sphere of radius a centred at the origin. (Hint: Even though S is not a closed surface, it is still easiest to use the Divergence Theorem because the integrand in the surface integral is zero on the coordinate planes.)
◦

πa
3◦

πa
3◦

πa
3◦ πa
3◦ 2πa
3