If x is any real number, then cosh x Σ n=0 n! + 198 Σ n=0 (-x)" n!

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.5: The Binomial Theorem
Problem 13E
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If x is any real number, then cosh x
글+
n=0
xn
1+1 ∑
n!
n=0
(-x)"
n!
Transcribed Image Text:If x is any real number, then cosh x 글+ n=0 xn 1+1 ∑ n! n=0 (-x)" n!
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