Quote:
Originally Posted by LaurV
Even simpler, A+1 = 1 (mod A).
Therefore, (A+1)^n = 1^n = 1 (mod A).
Nothing to prove.
(to be moved to misc math)

Fair enough. I just couldn't find a proof anywhere and thought I might just make sure it's true  at the very least. So I'm glad I achieved a goal of some sort.