From Lecture 20 of 18.02 Multivariable Calculus, Fall 2007
Home » Courses » Mathematics » Multivariable Calculus » 3. Double Integrals and Line Integrals in the Plane » Part B: Vector Fields and Line Integrals » Session 61: Conservative Fields, Path Independence, Exact Differe » Clip: Conservative Fields, Path Independence, Exact