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: 22

Answer

$${e^{0.06}} \approx 1.06186654$$

Work Step by Step

$$\eqalign{ & {e^{0.06}} \cr & {\text{Using the result of Taylor polynomial of degree }}4{\text{ at }}x = 0{\text{ found in the exercise 2}} \cr & f\left( x \right) = {e^{3x}}{\text{ we found that}} \cr & {P_4}\left( x \right) = 1 + 3x + \frac{9}{2}{x^2} + \frac{9}{2}{x^3} + \frac{{27}}{8}{x^4} \cr & {\text{To approximate }}{e^{0.06}},{\text{ we must evaluate }}{e^{3\left( {0.02} \right)}},{\text{ then taking }}x = 0.02 \cr & {P_4}\left( {0.02} \right) = 1 + 3\left( {0.02} \right) + \frac{9}{2}{\left( {0.02} \right)^2} + \frac{9}{2}{\left( {0.02} \right)^3} + \frac{{27}}{8}{\left( {0.02} \right)^4} \cr & {P_4}\left( {0.02} \right) = 1 + 0.06 + 0.0018 + 0.000036 + 0.00000054 \cr & {P_4}\left( {0.02} \right) = 1.06186654 \cr & {\text{Thus}}{\text{, }}{e^{0.06}} \approx 1.06186654 \cr} $$
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