For the geometric progression find the remainder after the first four terms are summed.

MATHEMATICS · Single correct · A Level · Mathematics · Sequences and series · Sequences and series

Problem

For the geometric progression 6, 2, 23, 29,…6,\,2,\,\dfrac23,\,\dfrac29,\ldots find the remainder after the first four terms are summed. (a) 127\dfrac1{27} (b) 29\dfrac29 (c) 19\dfrac19 (d) 13\dfrac13

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