Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 11 - Further Topics in Algebra - 11.2 Arithmetic Sequences and Series - 11.2 Exercises: 2

Answer

$4$

Work Step by Step

$d=a_{n+1}-a_{n}=-13-\left( -17\right) =-17-\left( -21\right) =-21-\left( -25\right) =4$
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