The sum of the first n terms of an arithmetic progression is n 3n. Write down

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The sum of the first n terms of an arithmetic progression is n² − 3n.
Write down the 10th term.

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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 10:30 AM

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The sum of the first n terms of an arithmetic progression is n 3n. Write down

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

Complete Pure Mathematics 1 For Cambridge International AS & A Level

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