Posted by **barotseland network** on Tuesday, February 26, 2013 at 6:38pm.

1.Determine the sum of infinity of the series 4,2,1

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**bobpursley**, Tuesday, February 26, 2013 at 6:39pm
series is geometric, r=1/2

4,2,1,1/2,1/4,1/8 ....

use geometric sum formula, a0=4, r=1/2

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