--- David Litchfield <mnemonix@...
> Cheers for the reply, Phil. Could you explain one thing:
> > (03:22) gp >
> I'm not sure exactly what this means.
It means I'm running The PARI Group's "gp" package at 3:22am.
It's free, it's incredibly powerful, and it answers these kinds of questions
without even breaking a sweat.
> Further, I take it all I had need to have done was
> > i.e. if n=(a^2+b^2)/2, then n=(((a+b)/2)^2+((a-b)/2)^2)
I was simply rewording the identity
(a^2+b^2)/2-(((a+b)/2)^2+((a-b)/2)^2) = 0
into a form more similar to your original question.
The answer to life's mystery is simple and direct:
Sex and death. -- Ian 'Lemmy' Kilminster
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