Q 16 Find the indicated Maclaurin or ... [FREE SOLUTION]

Chapter 8: Q 16 (page 704)

Find the indicated Maclaurin or Taylor series for the given function about the indicated point, and find the radius of convergence for the series. $\sin x, x_{0} = \frac{蟺}{2}$

Short Answer

Expert verified

The Taylor series for the function is $P_{n} (x) = {鈭�}_{k = 0}^{鈭�} \frac{(- 1)^{k}}{(2 k)!} {(x - \frac{蟺}{2})}^{2 k}$

Step by step solution

Given information

The function is $f (x) = \sin x$

Find the general of the Taylor series of the function

The Taylor series at $x = \frac{蟺}{2}$ for any function $f$ with a derivative of order $n$ is given by

$P_{n} (x) = f (\frac{蟺}{2}) + f^{'} (\frac{蟺}{2}) (x - \frac{蟺}{2}) + \frac{f^{''} (\frac{蟺}{2})}{2!} {(x - \frac{蟺}{2})}^{2} + f$ ^'''(蟺2)3!(x-蟺2)3+f^''''(蟺2)4!(x-蟺2)4+....

As a result, first, determine the function's value as well as $f^{'} (x), f^{''} (x), f^{'''} (x)$ at $x = \frac{蟺}{2}$

Furthermore, the function's general Taylor series is $P_{n} (x) = {鈭�}_{k = 0}^{鈭�} \frac{f^{k} (x_{0})}{k!} {(x - x_{0})}^{n}$

Make a table of the Taylor series for the function f(x)=sinx at x=π2

$n$	$f^{n} (x)$	$f^{n} (\frac{蟺}{2})$	$\frac{f^{n} (\frac{蟺}{2})}{n!}$
$0$	$\sin x$	$1$	$1$
$1$	$\cos x$	$0$	$0$
$2$	$- \sin x$	$- 1$	$- \frac{1}{2!}$
$3$	$- \cos x$	$0$	$0$
$. . .$	$. . .$	$. . .$	$. . .$
role="math" localid="1653433262354" $2 k$	$(- 1)^{k} \sin x$	$(- 1)^{k}$	$(- 1)^{k} \frac{1}{(2 k)!}$
$2 k + 1$	$(- 1)^{k} \cos x$	$0$	$0$

Find the Taylor series for the function f(x)=sinx at x=π2

The Taylor series for the function $f (x) = \sin x$ at $x = \frac{蟺}{2}$ is:

$P_{n} (x) = 1 + 0 路 (x - \frac{蟺}{2}) - \frac{1}{2!} {(x - \frac{蟺}{2})}^{2} + 0 {(x - \frac{蟺}{2})}^{3} + 鈰� + \frac{(- 1)^{k}}{(2 k)!} {(x - \frac{蟺}{2})}^{2 k} + 0 {(x - \frac{蟺}{2})}^{2 k + 1} + 鈰�$

Or, we can write as:

$P_{n} (x) = {鈭�}_{k = 0}^{鈭�} \frac{(- 1)^{k}}{(2 k)!} {(x - \frac{蟺}{2})}^{2 k}$

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Find the indicated Maclaurin or Taylor series for the given function about the indicated point, and find the radius of convergence for the series. $\sin x, x_{0} = \frac{蟺}{2}$

Short Answer

Step by step solution

Given information

Find the general of the Taylor series of the function

Make a table of the Taylor series for the function f(x)=sinx at x=π2

Find the Taylor series for the function f(x)=sinx at x=π2

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91影视

Find the indicated Maclaurin or Taylor series for the given function about the indicated point, and find the radius of convergence for the series. sinx,x0=蟺2

Short Answer

Step by step solution

Given information

Find the general of the Taylor series of the function

Make a table of the Taylor series for the function f(x)=sinx at x=π2

Find the Taylor series for the function f(x)=sinx at x=π2

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Theoretical and Mathematical Physics

Discrete Mathematics

Pure Maths

Probability and Statistics

Statistics

Geometry

Study anywhere. Anytime. Across all devices.

Find the indicated Maclaurin or Taylor series for the given function about the indicated point, and find the radius of convergence for the series. $\sin x, x_{0} = \frac{蟺}{2}$