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