The first term of an arithmetic progression is 15 and the sum of the first 20 terms

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The first term of an arithmetic progression is 15 and the sum of the first 20 terms is 1630.
Find the common difference.

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Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook

ISBN: 9781108407144

1st Edition

Authors: Sue Pemberton, Julian Gilbey

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Question Posted: Mar 10, 2023 06:35 AM

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The first term of an arithmetic progression is 15 and the sum of the first 20 terms

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Let d be the common difference of the arithmetic progression Then the second term is 15 d the t...View the full answer

Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook

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