Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 12 Sequences and Series - Mixed Review of Problem Solving - Lessons 12.1-12.3 - Page 818: 7a



Work Step by Step

$66 \\33=(1/2) 66\\16.5 =(1/2) (33)$.... so on The quotient ratio of the neighboring terms is constant which is given as: $\dfrac{a_n}{a_n-1}=\dfrac{1}{2}$ It has been seen that $a_1=66; r=\dfrac{1}{2}$ Thus, the series is geometric.
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