Why does x^0 equal 1?

Since basic school we know, that x^0=1, but only recently when our kids began to study mathematics we asked ourselves "why?".

I came up with this explanation:

x^0=x^{n-n}=x^n \times x^{-n}=\frac {x^n} {x^n}=1

Also a good test for the Easy LaTeX WordPress plug-in.

And here's jsxgraph plug-in test:
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Posted by: AlekZ on January 24, 2010 @ 20:18 :: 162 views :: No comments
Categories: Uncategorized,Web-design
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Heian Shodan – tutorial and bunkai

Heian Shodan – tutorial and bunkai by Luca Valdesi, Michael Milon and Hirokazu Kanazawa

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Posted by: AlekZ on November 17, 2008 @ 03:30 :: 292 views :: No comments
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Lindy Hop

ULHS 2005 Slow finals

ULHS 2005 – finale medium part 1

ULHS2007 Charleston Super finale


Posted by: AlekZ on April 20, 2008 @ 22:57 :: 131 views :: No comments
Categories: Uncategorized,Video
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Korean Freestyle Slalom Rollerblading

http://www.glumbert.com/media/koreanfreestyle


Posted by: AlekZ on March 5, 2008 @ 06:24 :: 186 views :: No comments
Categories: Uncategorized




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