The 20th term of an arithmetic sequence is 14. The 40th term is 6. Find the value

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The 20th term of an arithmetic sequence is 14. The 40th term is −6. Find the value of the 10th term.

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Pearson Edexcel A Level Mathematics Pure Mathematics Year 2

ISBN: 9781292183404

1st Edition

Authors: Greg Attwood, Jack Barraclough, Ian Bettison, David Goldberg, Alistair Macpherson, Joe Petran

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Question Posted: Aug 08, 2023 07:58 AM

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The 20th term of an arithmetic sequence is 14. The 40th term is 6. Find the value

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Lets denote the first term of the arithmetic sequence as a and the common difference between term...View the full answer

Pearson Edexcel A Level Mathematics Pure Mathematics Year 2

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