College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 8 - Sequences, Induction, and Probability - Exercise Set 8.4 - Page 751: 3

Answer

See below.

Work Step by Step

$S_1:2$ is a factor of $1^2-1=1-1=0$, thus this is true $S_2:2$ is a factor of $2^2-2=4-2=2$, thus this is true $S_3:2$ is a factor of $3^2-3=9-3=6$, thus this is true
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