In an arithmetic progression the 8th term is 39 and the 4th term is 19. Find the

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In an arithmetic progression the 8th term is 39 and the 4th term is 19. Find the 1st term and the sum of the first 12 terms.

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Complete Pure Mathematics 1 For Cambridge International AS & A Level

ISBN: 9780198427438

2nd Edition

Authors: Jean Linsky, Brian Western, James Nicholson

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Question Posted: Apr 14, 2023 10:36 AM

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In an arithmetic progression the 8th term is 39 and the 4th term is 19. Find the

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Let the first term of the arithmetic progression be denoted by a and let the common difference ...View the full answer

Complete Pure Mathematics 1 For Cambridge International AS & A Level

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