Calc 3 14.4 Notes: Tangent Planes and Linear Approximations

Objectives:
7. Define the total differential.
8. Use the total differential to approximate the change in a function.
Ch 14 playlist: • Calculus 3 Chapter 14:...
PDF copy of the notesheets: drive.google.com/file/d/1UVd_...

[@onlyramizz3688]

perfect!!!

[@nguyenquoctran8423]

why is x=x0; y=y0 a plane. I thought it's a line ? e.g: x = 3; y = 5 is a line parallel to Oz and can have any z value. thank you