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# s25 - Let 2n 1 = z 2 Note that z must be odd Simple algebra...

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Solution to Problem 25 Congratulations to this week’s winner Ray Kremer A correct solution was also received from Kevin Bourrillion. One incorrect submission was received.

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Unformatted text preview: Let 2n + 1 = z 2 . Note that z must be odd. Simple algebra gives z 2 /2 + 1/2 = n + 1 . The following &amp;quot;Solution Without Words&amp;quot; was Ray Kremers little gem. [IMAGE]...
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s25 - Let 2n 1 = z 2 Note that z must be odd Simple algebra...

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