Talk:Difference of Two Powers

Do we want a proof for Permutation of Indices? --Cynic-(talk) 01:31, 24 December 2008 (UTC)

I would say so. There's a whole area of algebra involved with summations and stuff which needs a lot of work. Something else I haven't really got round to investigating how best to documenting yet. --Matt Westwood 07:05, 24 December 2008 (UTC)