On Mon, 13 Jul 1998, John K Clark wrote:
> Now just divide both sides by A^2 -A*B and we get
>
> 2 = 1
If A = B, then A^2 = A*B, so A^2 - A*B = 0. Your jig is up, Mr. Presume! You have divided both sides by 0. I hope John Clark wisely fires you. :)