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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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
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Related Book For
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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