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Let A be a G.P. defined by A = {a, ar, ar2, ar4,…..}, such t [#permalink]

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12 Apr 2013, 01:10

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Let A be a G.P. defined by A = {a, ar, ar2, ar4,…..}, such that A has an even number of terms. If the sum of terms at odd positions is p and sum of terms at even positions is q, what is the ratio of p to q (take the common ratio as r)?

Re: Let A be a G.P. defined by A = {a, ar, ar2, ar4,…..}, such t [#permalink]

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03 Nov 2013, 18:15

Zarrolou wrote:

Let A be a G.P. defined by A = {a, ar, ar2, ar4,…..}, such that A has an even number of terms. If the sum of terms at odd positions is p and sum of terms at even positions is q, what is the ratio of p to q (take the common ratio as r)?

(A) r (B) r2 (C) 1/r2 (D) 1/r (E) None of these

If A = (\(a, ar, ar^2, ar^4,\)…), then shouldn't the next terms be \(ar^8\) and \(ar^16\). or am I missing something.

Re: Let A be a G.P. defined by A = {a, ar, ar2, ar4,…..}, such t [#permalink]

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04 Sep 2015, 11:34

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