Calculus (3rd Edition)

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

Chapter 2 - Limits - 2.4 Limits and Continuity - Exercises - Page 68: 68



Work Step by Step

\begin{align*} \lim _{x \rightarrow 2}\left(5 x-12 x^{-2}\right)&= 5(2)-12 (2)^{-2}\\ &=10-\frac{12}{4}\\ &=10-3\\ &=7. \end{align*}
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