Recent content by r-rogerthat

thanks heaps guys, i figured it out, and sorry about the late reply

Homework Statement Let the surface S be the part of the plane 2x-y+z=3 that lies above the triangle in the xy plane that is bounded by the lines y=0, x=1 and y=x. Find the total mass of S if its density (mass per unit area) is given by ρ(x,y,z)= xy+z Homework Equations The...