15 Jan
2014
15 Jan
'14
6:52 p.m.
DWilson> For integer n >= 2, let x(n) be the smallest positive solution x of (ni + x)^n + (ni - x)^n = 0 where i is the imaginary unit. What is lim n->inf x(n)? -------- NeilB just got π/2, but refuses to post. --rwg