The sum of the first nine terms of a geometric sequence is 684 and the common ratio

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The sum of the first nine terms of a geometric sequence is 684 and the common ratio is −2.
Find the 1st and the 8th 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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The sum of the first nine terms of a geometric sequence is 684 and the common ratio

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Lets denote the first term of the geometric sequence by a Since the ...View the full answer

Complete Pure Mathematics 1 For Cambridge International AS & A Level

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