Mathematics — Real Analysis · fundamental-theorem-of-calculus
Problem
Suppose F:[a,b]→R is continuous and differentiable on [a,b]∖S, where S is a finite set. Suppose there exists an f∈R([a,b]) such that f(x)=F′(x) for x∈[a,b]∖S. Show that ∫abf=F(b)−F(a).