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find the sum of the first eight terms of the series of :1/3,1/9,1/27,1/81...............

0 votes

it is a geometric progressions

and we have to do sum of the series given above question

sum-of-geometric-series

asked Nov 26, 2013 in GEOMETRY by mathgirl Apprentice

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1 Answer

0 votes

The geometric sequence is

a = first term, r = common ratio

In this case r = 1/3, a = 1/3, n = 8

answered Aug 14, 2014 by david Expert

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