Tuesday, October 10, 2006

Funny Numbers

OK, Here's a head scratcher for you to figure out.


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1 Comments:

At 10:09 AM, Blogger Anna said...

It took me a while to figure out, but you can't just take the square root of something, because the square root could be positive or negative. Hence the mistake, and why the proof isn't valid. Those are fun! Sometimes I miss math.

 

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