Wednesday, July 29, 2009

Oh yes

Is zero a square?

Answer, it is the first square among integers, because zero is an integer, and 0 * 0 = 0. The first geometric square is 1, since in geometry a square has to have sides with some length. So the side of a geometric square can not be 0 length.

Thanks to a math geek friend who explained that one carefully to me.

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