Calculus: Early Transcendentals 9th Edition

Published by Cengage Learning
ISBN 10: 1337613924
ISBN 13: 978-1-33761-392-7

Chapter 11 - Section 11.1 - Sequences - 11.1 Exercises - Page 735: 12

Answer

$\frac{3}{2},\frac{5}{3},1,\frac{9}{25},\frac{1}{11}$

Work Step by Step

$a_{n}=\frac{2n+1}{n!+1}$ Substitute $1,2,3,4,5$ to $n$: $a_{1}=\frac{2(1)+1}{1!+1}=\frac{3}{2}$ $a_{2}=\frac{2(2)+1}{2!+1}=\frac{5}{3}$ $a_{3}=\frac{2(3)+1}{3!+1}=\frac{7}{7}=1$ $a_{4}=\frac{2(4)+1}{4!+1}=\frac{9}{25}$ $a_{5}=\frac{2(5)+1}{5!+1}=\frac{11}{121}=\frac{1}{11}$
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