The sum of the 1st and 2nd term of a geometric progression is 1. The sum of

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The sum of the 1st and 2nd term of a geometric progression is 1. The sum of the 4th and 5th terms is 27. Work out the common ratio, r, and the 1st term.

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Complete Pure Mathematics 1 For Cambridge International AS & A Level

ISBN: 9780198427438

2nd Edition

Authors: Jean Linsky, Brian Western, James Nicholson

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Question Posted: Apr 13, 2023 11:23 AM

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The sum of the 1st and 2nd term of a geometric progression is 1. The sum of

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ANSWER Let the first term be a and the common ratio be r Then the second term is ar and the fourth t...View the full answer

Complete Pure Mathematics 1 For Cambridge International AS & A Level

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