Precalculus (6th Edition)

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

Chapter 11 - Further Topics in Algebra - 11.1 Sequences and Series - 11.1 Exercises: 18

Answer

$a_{1}=2;a_{2}=-3;a_{3}=4;a_{4}=-5;a_{5}=6$

Work Step by Step

$a_{1}=\left( -1\right) ^{1-1}\left( 1+1\right) =2;$ $a_{2}=\left( -1\right) ^{2-1}\left( 2+1\right) =-3;$ $a_{3}=\left( -1\right) ^{3-1}\left( 3+1\right) =4$ $a_{4}=\left( -1\right) ^{4-1}\left( 4+1\right) =-5;$ $a_{5}=\left( -1\right) ^{5-1}\left( 5+1\right) =6$
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