If the series un is convergent, n=1 then the series (−1)ª un is also convergent. n=1

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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If the series un is convergent,
n=1
then the series (−1)ª un is also
convergent.
n=1
Transcribed Image Text:If the series un is convergent, n=1 then the series (−1)ª un is also convergent. n=1
If x is any real number, then
cosh x = ²/2 Σ²2² +
xn
n!
n=0
n=0
(-x)"
n!
Transcribed Image Text:If x is any real number, then cosh x = ²/2 Σ²2² + xn n! n=0 n=0 (-x)" n!
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