Did you know that the sum of the first n odd numbers equals n squared (n²)?
Examples:
1+3 = 4 = 2²
1+3+5 = 9 = 3²
It's just something I came across while revising (a part of a programmation question) Interesting, huh? ;-)
Monday, June 12, 2006
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wow, brilliant! i never thought of it! thanks for the info! good thing to share...
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