Calculus (3rd Edition)

Published by W. H. Freeman
ISBN 10: 1464125260
ISBN 13: 978-1-46412-526-3

Chapter 11 - Infinite Series - 11.1 Sequences - Preliminary Questions: 1

Answer

Substituting $n = 4$ in the equation for $a_{n}$ gives: $a_{4} = 4^{2}-4 = 12$

Work Step by Step

For this problem, simply plug in n = 4 into the equation given, $a_n = n^2 -n$
Update this answer!

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

Update this answer

After 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.