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All. formula of geometric progression​

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Geometric Progression The NTH term of a GP series is Tn = arn-1, where a = first term and r = COMMON ratio = Tn/Tn-1) . The sum of INFINITE terms of a GP series S∞= a/(1-r) where 0< r<1. If a is the first term, r is the common ratio of a finite G.P. consisting of m terms, then the nth term from the end will be = arm-n.


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