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Intervals of ConvergenceIn Exercise , (a) | Ch 10.7 - 19E

Thomas' Calculus: Early Transcendentals | 13th Edition | ISBN: 9780321884077 | Authors: George B. Thomas Jr., Maurice D. Weir, Joel R. Hass ISBN: 9780321884077 57

Solution for problem 19E Chapter 10.7

Thomas' Calculus: Early Transcendentals | 13th Edition

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Thomas' Calculus: Early Transcendentals | 13th Edition | ISBN: 9780321884077 | Authors: George B. Thomas Jr., Maurice D. Weir, Joel R. Hass

Thomas' Calculus: Early Transcendentals | 13th Edition

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Problem 19E

Intervals of Convergence

In Exercise , (a) find the series’ radius and interval of convergence. For what values of x does the series converge (b) absolutely, (c) conditionally?

Step-by-Step Solution:

Step 1 of 5</p>

Here, we have to find

The series’ radius and interval of convergence.The value of x for which the series converges absolutely.The value of x for which the series converges conditionally.

.

Step 2 of 5</p>Let us use the ratio test in order to find the radius of convergence.

Therefore, according to the ratio test, a series is said to be absolutely convergent if

…..(1)

Therefore, according to our question, we have .

Thus,

Thus, using (1), we have

…..(2)

Therefore, we get the radius of convergence as 3 and the centre as .

Using (2), we can write the interval of convergence as .

Step 3 of 5</p>

Now let us test the convergence of the series at the endpoints.

At , we have the series as

.

Now, using the nth term test for divergence, we can see that .

Therefore, the series diverges.

At , we have the series as

.

Now, using the nth term test for divergence, we can see that .

Therefore, the series diverges.

Thus, we can see that the series does not converge conditionally for any value of x.

Step 4 of 5

Chapter 10.7, Problem 19E is Solved
Step 5 of 5

Textbook: Thomas' Calculus: Early Transcendentals
Edition: 13
Author: George B. Thomas Jr., Maurice D. Weir, Joel R. Hass
ISBN: 9780321884077

Thomas' Calculus: Early Transcendentals was written by and is associated to the ISBN: 9780321884077. Since the solution to 19E from 10.7 chapter was answered, more than 236 students have viewed the full step-by-step answer. The answer to “Intervals of ConvergenceIn Exercise , (a) find the series’ radius and interval of convergence. For what values of x does the series converge (b) absolutely, (c) conditionally?” is broken down into a number of easy to follow steps, and 27 words. The full step-by-step solution to problem: 19E from chapter: 10.7 was answered by , our top Calculus solution expert on 08/01/17, 02:37PM. This textbook survival guide was created for the textbook: Thomas' Calculus: Early Transcendentals , edition: 13. This full solution covers the following key subjects: Convergence, Series, ind, absolutely, exercise. This expansive textbook survival guide covers 138 chapters, and 9198 solutions.

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Intervals of ConvergenceIn Exercise , (a) | Ch 10.7 - 19E

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