help me with this calculus problem

1) Explain, to a student who has had Calculus I, had Calculus II and knows the mechanics of double and triple integration, under what circumstances can you use each of the following Fundamental Theorems of Calculus. Be specific such that another student will understand. {That is to say, a quote of a technicoi denition of each theorem does NOT work for most students!) a] {3 points) Fundamental Theorem of Line Integrals b} {3 points) Stokes' Theorem