The tenth term in an arithmetic progression is three times the third term. Show that the sum

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The tenth term in an arithmetic progression is three times the third term. Show that the sum of the first ten terms is eight times the sum of the first three terms.

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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 05:52 AM

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The tenth term in an arithmetic progression is three times the third term. Show that the sum

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Let the first term of the arithmetic progression be a and the common difference be d Then the third ...View the full answer

Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook

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