a. The fifth term of an arithmetic progression is 18 and the sum of the first eight
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a. The fifth term of an arithmetic progression is 18 and the sum of the first eight terms is 186.
Find the first term and the common difference.
b. The first term of a geometric progression is 32 and the fourth term is 1/2.
Find the sum to infinity of the progression.
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a Let the first term of the arithmetic progression be a and the common difference be d Then the ...View the full answer
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Related Book For
Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook
ISBN: 9781108407144
1st Edition
Authors: Sue Pemberton, Julian Gilbey
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