Objectives:
8. Define and compute the curl of a vector field in 3-space.
9. Define and compute the divergence of a vector field.
Ch 16 playlist: https://www.youtube.com/playlist?list=PLGOk2-zeLtjCT6PfbdnG6ORkZXFLXmx8Z
PDF copy of the notesheets: https://drive.google.com/file/d/105IeGB4pweqjfTQ29Oab0X03sn09N8uv/view?usp=sharing