Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 10 - Section 10.1 - Sequences and Summation Notation - Exercise Set - Page 1051: 108


The difference between the consecutive terms is $4$.

Work Step by Step

Here, $a_2-a_1=[4(2)-3]]-[4(1)-3]=4;\\ a_3-a_2=[4(3)-3]]-[4(2)-3]=4;\\a_4-a_3=[4(4)-3]]-[4(3)-3]=4;\\a_5-a_4=[4(5)-3]]-[4(4)-3]=4$ It has been seen that the difference between the consecutive terms is $4$
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