how do you write the general binomial expansion for...

From: nonton (scrilla_12_1999_at_yahoo.com)
Date: 03/29/05 

Date: 29 Mar 2005 05:45:24 -0800

a^n-b^n=

does it equal (a-b)(a^n-1 - a^n-2 b -a^n-3 b^2 -...-a^b n-1 -b^n-1)

Is this right????