Calculus, 10th Edition (Anton)

Published by Wiley
ISBN 10: 0-47064-772-8
ISBN 13: 978-0-47064-772-1

Chapter 9 - Infinite Series - 9.7 Maclaurin And Taylor Polynomials - Exercises Set 9.7 - Page 658: 38

Answer

$p_0(x)=2\\ p_1(x)=2-3(x-1)\\ p_2(x)=2-3(x-1)\\p_3(x)=2-3(x-1)+(x-1)^3$

Work Step by Step

The nth Taylor polynomial for a function $f$ is $$p_n(x)= f(x_0) + f'(x_0)(x-x_0) +\dfrac{f''(x_0)}{2!} (x-x_0)^2 +.......+\dfrac{f^n(x_0)}{n!} (x-x_0)^n$$ We are given that $f(1)=2$, $f'(1)=-3$, $f''(1)=0$, $f'''(1)=6$ Hence the nth Taylor polynomial for a function $p_n(x)$ for $x_0=1$ is: $p_0(x)=2\\ p_1(x)=2-3(x-1)\\ p_2(x)=2-3(x-1)\\p_3(x)=2-3(x-1)+(x-1)^3$
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