On Jun 4, 12:35 pm, [email protected] wrote: > Hello all, > > Here's a nice identity: > > (p+q)^4 + (r-s)^4 = (p-q)^4 + (r+s)^4 > > where {p,q,r,s} = {a^7+a^5-2a^3+a, 3a^2, a^6-2a^4+a^2+1, 3a^5} > > For similar stuff, you may be interested in "A Collection of Algebraic > Identities": > > http://sites.google.com/site/tpiezas/Home > > It's a 200+ page book I wrote and made available there. It starts > with the basics with 2nd powers and goes up to 8th and higher powers. > Enjoy. > > - Titus
on page http://sites.google.com/site/tpiezas/002 you state: [55,48,73}, {45,28,43}, .... as pythagorean triples but it should read {55,48,73}, {45,28,53} .... Tim Daly [email protected] _______________________________________________ Axiom-developer mailing list [email protected] http://lists.nongnu.org/mailman/listinfo/axiom-developer
