A geometric progression has a 1st term of 80. The sum of the first two terms is
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A geometric progression has a 1st term of 80. The sum of the first two terms is 40 Find the common ratio, r, and the sum to infinity of the geometric progression.
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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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