Tag Archives: derivatives

Irrationality of pi: curiouser and curiouser

Posted on January 30, 2010 by Brent

I’ve been remiss in posting here lately, which I will attribute to Christmas and New Year travelling and general craziness, and then starting a new semester craziness… but things have settled down a bit, so here we go again! Since … Continue reading →

Posted in famous numbers, proof | Tagged , , , , | 10 Comments

Irrationality of pi: derivatives of f

Posted on December 20, 2009 by Brent

In my previous post in this series, we defined the function and showed that . Today we’ll show the surprising fact that, for every positive integer , although and are not necessarily zero, they are always integers. (The notation means … Continue reading →

Posted in calculus, famous numbers, proof | Tagged , , , , | 10 Comments