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find the sum of geometric series described as : a1 =10 ,n=6 and r=4

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how do i work it?

sum-of-geometric-series

asked Nov 26, 2013 in ALGEBRA 1 by dkinz Apprentice

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1 Answer

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In a geometric sequence

Where a = first term, r = common ratio

answered Aug 14, 2014 by david Expert
reshown Aug 14, 2014 by bradely

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