Re: TI-M: WOW!!!
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Re: TI-M: WOW!!!
right. dividing by zero is the problem with this "proof". but most people
dont see that. It is fun to show this to people who have never seen it
before and watch them struggle to try to find the error....
----- Original Message -----
From: "Andy Selle" <aselle@ticalc.org>
To: <ti-math@lists.ticalc.org>
Sent: Monday, May 15, 2000 11:46 PM
Subject: Re: TI-M: WOW!!!
>
> This is a flawed proof... :)
> at the point where you say (a+b)(a-b) = b*(a-b) implies
> a+b = b you are brushing over the step where you divide
> by (a-b) and we know (a-b) = (a-a) = 0 thus you are really
> dividing by 0...
>
> >
> > One small suggestion.. turn your email off of html..
> >
> > one of the proofs that 1=2.
> >
> > a=b
> > a^2 = a*b
> > a^2 - b^2 = a*b - b^2
> > (a+b)(a-b) = b*(a-b)
> > a+b = b
> > b+b = b
> > 2b = b
> > 2=1
> >
> > there is another proof that uses logarithms, but I dont remember it
offhand.
> > what is your derivitive proof one? I dont think i have seen a proof
with
> > derivitives...
> > garth
> >
> > >That's not what I posted for, though. Does any one have a
mathematically
> > legal way to
> > > set 1=2? I have one using derivitves and cancelling the X out, but
it's
> > kinda pathetic.
> > > In fact i need to find it for AP class, my class does things like
Mindtrap
> > (a good game
> > > for those who haven't played it) when we're bored. Our teacher likes
math
> > puzzles,
> > > too.
> > >
> > > Mark Hazard
> >
> >
> >
> >
> > __________________________________________________
> > Do You Yahoo!?
> > Talk to your friends online with Yahoo! Messenger.
> > http://im.yahoo.com
> >
> >
>
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