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statisticaloddsandends.wordpress.com | ||
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gwhphotos2.wordpress.com
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| | | | | Hockey stick chair Be sure to visit pull up a seat for more interesting photos, and/or to share yours. | |
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mikespivey.wordpress.com
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| | | | | It's fairly well-known, to those who know it, that $latex \displaystyle \left(\sum_{k=1}^n k \right)^2 = \frac{n^2(n+1)^2}{4} = \sum_{k=1}^n k^3 $. In other words, the square of the sum of the first n positive integers equals the sum of the cubes of the first n positive integers. It's probably less well-known that a similar relationship holds... | |
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polymathically.wordpress.com
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| | | | | This week's challenge calls for something warm, and the afternoon sun here in the Bay Area is definitely a welcome source of heat. The recent rain has been rather kind to the countryside as well... | |
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backstreetthunder.wordpress.com
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| | | [AI summary] A blog post discussing street bike culture and related activities with a focus on speed and Flyer tags. | ||
