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Posted by **Gregory** on Tuesday, June 5, 2012 at 7:32pm.

1+1/4+1/16

- Algebra II (Geometric Series) -
**Reiny**, Tuesday, June 5, 2012 at 7:47pmlooks like a GS where

a = 1 , r = 1/4

but with only 3 terms, why not just add them up

1 + 1/4 + 1/16

= (16 + 4 + 1)/16

= 21/16

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