Calculus with Applications (10th Edition)

Published by Pearson
ISBN 10: 0321749006
ISBN 13: 978-0-32174-900-0

Chapter 12 - Sequences and Series - 12.3 Taylor Polynomials at 0 - 12.3 Exercises - Page 631: 23

Answer

$${e^{0.06}} \approx 2.72372203$$

Work Step by Step

$$\eqalign{ & {e^{1.02}} \cr & {\text{Using the result of Taylor polynomial of degree }}4{\text{ at }}x = 0{\text{ found in the exercise 3}} \cr & f\left( x \right) = {e^{x + 1}}{\text{ we found that}} \cr & {P_4}\left( x \right) = e + ex + \frac{e}{2}{x^2} + \frac{e}{6}{x^3} + \frac{e}{{24}}{x^4} \cr & {\text{To approximate }}{e^{1.02}},{\text{ we must evaluate }}{e^{1 + 0.02}},{\text{ then taking }}x = 0.02 \cr & {P_4}\left( {0.02} \right) = e + e\left( {0.02} \right) + \frac{e}{2}{\left( {0.02} \right)^2} + \frac{e}{6}{\left( {0.02} \right)^3} + \frac{e}{{24}}{\left( {0.02} \right)^4} \cr & {P_4}\left( {0.02} \right) = 2.718281828 + 0.00543656 + 0.000003624 + 0.000000018 \cr & {\text{Thus}}{\text{, }}{e^{0.06}} \approx 2.72372203 \cr} $$
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