We will use the Jacobian to see why dxdydz=ρ^2sinφdρdθdρ. We must know this when we convert a triple integral from the rectangular coordinate to the spherical coordinate. The geometry way: https://youtu.be/uL_yq733CTY ----------------------------- Support this channel and get my calculus notes on Patreon: 👉 https://www.patreon.com/blackpenredpen Get the coolest math shirts from my Amazon store 👉 https://amzn.to/3qBeuw6 ----------------------------- #calculus #bprpcalculus #apcalculus #tutorial #math