1. Mathematics
2. Discrete Math
3. 27607

This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

Suppose that f: C->C and that f is analytic at a point z0 element of C. Prove that there exists a real number r>0 such that, the nth derivative of z0=[n!/(2 pi r^n)]x[int(e^(-niy)f(z0+re^(iy)) from 0 to 2pi with respect to y for all n element of Natural numbers.