a. A geometric progression has first term a, common ratio r and sum to infinity S. A
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a. A geometric progression has first term a, common ratio r and sum to infinity S. A second geometric progression has first term 3a, common ratio 2r and sum to infinity 4S. Find the value of r.
b. An arithmetic progression has first term – 24. The nth term is – 13.8 and the (2n)th term is -3. Find the value of n.
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a A geometric progression is a sequence of numbers in which the ratio between any two consecutive te...View the full answer
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Related Book For 
Cambridge IGCSE And O Level Additional Mathematics Coursebook
ISBN: 9781108411660
2nd Edition
Authors: Sue Pemberton
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