a. The sum, S n , of the first n terms of an arithmetic progression is given
Question:
a. The sum, Sn, of the first n terms of an arithmetic progression is given by Sn = 11n − 4n2. Find the first term and the common difference.
b. The first term of a geometric progression is and the fourth term is 1/12.
Find:
i. The common ratio
ii. The sum to infinity.
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Related Book For
Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook
ISBN: 9781108407144
1st Edition
Authors: Sue Pemberton, Julian Gilbey
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