The first term of a progression is 20 and the second term is 16. a. Given that
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The first term of a progression is 20 and the second term is 16.
a. Given that the progression is geometric, find the sum to infinity.
b. Given that the progression is arithmetic, find the number of terms in the progression if the sum of all the terms is −160.
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a If the progression is geometric then we can write the third term as 16 r where r is the common r...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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