Posted by
**Ernie** on
.

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

Sunday

March 26, 2017
Posted by
**Ernie** on
.

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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