[OT]: Heh. Wanna double your salary? :-)

[Paul King]

There is  an error made after the step
   3a(a-b) + b(a-b) = 12b(a-b)
You cannot divide out (a-b), since a-b=0, and division by zero is not allowed 
in a proof.

Nice trick.

Paul King

> Scott Elcomb wrote:
> > I was checking through my Google Web History today and this link was
> > offered as an "interesting article."
> >
> > After making some dinner, I'm off to see the Ti-Cats and Eskimos and
> > just don't have the brainpower to dig into algebra at the moment.
> >
> > http://tinyurl.com/2bqul4 or
> > http://www.wikihow.com/Double-Your-Salary-Using-an-Algebraic-Loophole
> >
> > I'm rather fond of Wiki-How, but this article seems a bit of a
> > stretch.  I'd love to hear proof/dis-proof of the loophole.  If
> > comments aren't forthcoming, I'll try again later.  :-)
> >
> >   
> There's a problem with this line. 3a^2 - 3ab + ab - b^2 = 12ab - 12b^2
> Since ab, a^2 and b^2 were previously shown to be equal, then ab - b^2 =0.
> This means they're claiming 3a^2 - 3ab + ab - b^2 = 12ab - 12b^2
> actually is 3a2 - 3ab = 12ab - 12b^2 , which contradicts the line
> 3a^2 - 11ab = 3ab - 11b^2 .
> 
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