Monday
October 20, 2014

Homework Help: Algebra

Posted by Ernie on Monday, April 1, 2013 at 10:56pm.

Find the 1st four hexagonal numbers and the formula

The difference of two squares a2 - b 2 can be found in
16sq2 13sq2 = 3(16 + 13) = 3 . 29 = 87

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