The eight term of an arithmetic progression is 10 and the sum of the first twenty
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The eight term of an arithmetic progression is – 10 and the sum of the first twenty terms is – 350.
a. Find the first term and the common difference.
b. given that the nth term of this progression is – 97, find the value of n.
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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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