Calculus: Early Transcendentals (2nd Edition)

Published by Pearson
ISBN 10: 0321947347
ISBN 13: 978-0-32194-734-5

Chapter 8 - Sequences and Infinite Series - 8.2 Sequences - 8.2 Exercises - Page 617: 67

Answer

$0$

Work Step by Step

We are given the sequence: $\left\{\dfrac{n^{1000}}{2^n}\right\}$ Let $a_n=n^{1000}$ and $b_n=2^n$. As $n^{1000} \ll 2^n$, we have: $a_n\ll b_n$. Because $a_n$ appears before $b_n$ in the list of growth rates, using Theorem 8.6, we get: $\lim\limits_{n \to \infty} \dfrac{a_n}{b_n}=0$
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