THEOREM 10.18 Remainder in Alternating Series 00 Let 2(-1)*+'a, be a convergent alternating series with terms that are nonin- k=1 creasing in magnitude. Let R, = S – S, be the remainder in approximating the value of that series by the sum of its first n terms. Then |R, < a,+ 1. In other words, the magnitude of the remainder is less than or equal to the magnitude of the first neglected term. (-1)* Σ ;n = 5 O k + k2 + 1 k=0
THEOREM 10.18 Remainder in Alternating Series 00 Let 2(-1)*+'a, be a convergent alternating series with terms that are nonin- k=1 creasing in magnitude. Let R, = S – S, be the remainder in approximating the value of that series by the sum of its first n terms. Then |R, < a,+ 1. In other words, the magnitude of the remainder is less than or equal to the magnitude of the first neglected term. (-1)* Σ ;n = 5 O k + k2 + 1 k=0
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.1: Infinite Sequences And Summation Notation
Problem 72E
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For the following convergent alternating series, evaluate the nth partial sum for the given value of n. Then use Theorem 10.18 to find an upper bound for the error | S - Sn | in using the nth partial sum Sn to estimate the value of the series S.
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