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User:Tonypr

Revision as of 23:34, 23 May 2009 by Tonypr (talk | contribs)

Awesome math solver from Puerto Rico, soon to be International Math Olympiad.


Proof $2=1$:

Let $a=b$

$a^2=ab$
$a^2-b^2=ab-b^2$
$(a-b)(a+b)=b(a-b)$
$a+b=b$
$b+b=b$
$2b=b$
$2=1$
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