#### Answer

$a_1=0$
$a_2=3$
$a_3=8$
$a_4=15$
$a_{100}=9999$

#### Work Step by Step

We are given:
$a_{n}=n^{2}-1$
We evaluate:
$a_1=(1)^{2}-1=1-1=0$
$a_2=(2)^{2}-1=4-1=3$
$a_3=(3)^{2}-1=9-1=8$
$a_4=(4)^{2}-1=16-1=15$
$a_{100}=(100)^{2}-1=9999$

Published by
Brooks Cole

ISBN 10:
1305115546

ISBN 13:
978-1-30511-554-5

$a_1=0$
$a_2=3$
$a_3=8$
$a_4=15$
$a_{100}=9999$

You can help us out by revising, improving and updating this answer.

Update this answerAfter you claim an answer you’ll have **24 hours** to send in a draft. An editor
will review the submission and either publish your submission or provide feedback.