# Evaluate the series

1. Jul 1, 2007

### A00446849

1. The problem statement, all variables and given/known data

sigma n=1 to infinity
sin(pi)(sq. rt. (n^2 + k^2))

2. Relevant equations

3. The attempt at a solution

2. Jul 1, 2007

### Feynman diagram

Have you made any attempt at a solution? Moreover, have you typed that equation in correctly? (The sine of pi = 0, so the whole series as displayed above will be 0)!