Intro and Q1
We obtain volume of solid, G, by using triple intergrals in Cartesian Coordinate (x,y,z), as follow.
Volume, V = dV = dzdydx
Note that dz,dy,dx can be in any order
Type "Example 2.18" to see the graph in phone app
Question 1
Use triple integrals to find the volume of the solid which is bounded above by z=4-2x-y and below by region R in the xy-plane: 0<x<1, 0<y<2