Talk:2002 AIME I Problems/Problem 7

Revision as of 18:09, 29 April 2008 by Azjps (talk | contribs) (yep)

Is that really the expanded binomial theorem? --1=2 14:04, 29 April 2008 (UTC)

Its the extension of the binomial theorem for non-(positive integer) exponents, yes. (note that ${r\choose k}$ really is a polynomial in $r$, hence the result). Azjps (talk) 22:09, 29 April 2008 (UTC)