The first term of an arithmetic progression is 9000 and the tenth term is 3600. a. Find

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The first term of an arithmetic progression is 9000 and the tenth term is 3600.

a. Find the sum of the first 20 terms of the progression.

b. After how many terms does the sum of the progression become negative?

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Cambridge IGCSE And O Level Additional Mathematics

ISBN: 9781510421646

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Authors: Val Hanrahan, Jeanette Powell

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Question Posted: Sep 03, 2021 01:47 AM

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The first term of an arithmetic progression is 9000 and the tenth term is 3600. a. Find

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a The sum of the first 20 terms of the progression is 618000 b The sum of ...View the full answer

Cambridge IGCSE And O Level Additional Mathematics

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