Calculus: Early Transcendentals (2nd Edition)

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

Chapter 2 - Limits - 2.5 Limits at Infinity - 2.5 Exercises: 19

Answer

$\infty$

Work Step by Step

$$\lim _{x\rightarrow \infty }\left( 3x^{12}-9x^{7}\right) =\lim _{x\rightarrow \infty }x^{12}\left( 3-\dfrac {9}{x^{5}}\right) =\lim _{x\rightarrow \infty }3x^{12}=\infty $$
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