V12(–1)" 37 (2n + 1) 1. Consider the series n=1 Use any test for convergence/divergence to show that the series converges. 12(-1)" 3" (2n + 1) (b) It is possible to show that the sum of the series is T, in other words, the series n=1 converges to the number T. (You do NOT need to prove this, but it can be done somewhat easily using a Taylor series expansion of arctan x.) Suppose you want to use a partial sum of this series to estimate the value of T to an accuracy of within 0.0001. Would using the first 7 terms of the series be enough to ensure you get an accuracy of within 0.0001?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.2: Arithmetic Sequences
Problem 68E
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V12(-1)"
37 (2n + 1)
1. Consider the series
n=1
(a)
Use any test for convergence/divergence to show that the series converges.
V12(-1)"
3" (2n + 1)
(You do NOT need to prove this, but it can be done somewhat easily using a
(b)
It is possible to show that the sum of the series
is T, in other words, the series
n=1
converges to the number a.
Taylor series expansion of arctan x.)
Suppose you want to use a partial sum of this series to estimate the value of 7 to an accuracy of within
0.0001. Would using the first 7 terms of the series be enough to ensure you get an accuracy of within 0.0001?
Hint: Use Theorem 5.14.
Transcribed Image Text:V12(-1)" 37 (2n + 1) 1. Consider the series n=1 (a) Use any test for convergence/divergence to show that the series converges. V12(-1)" 3" (2n + 1) (You do NOT need to prove this, but it can be done somewhat easily using a (b) It is possible to show that the sum of the series is T, in other words, the series n=1 converges to the number a. Taylor series expansion of arctan x.) Suppose you want to use a partial sum of this series to estimate the value of 7 to an accuracy of within 0.0001. Would using the first 7 terms of the series be enough to ensure you get an accuracy of within 0.0001? Hint: Use Theorem 5.14.
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