What is the power series representation of (cos(x^2))/x^2?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.3: Geometric Sequences
Problem 49E
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What is the power series representation of (cos(x^2))/x^2?

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Step 1

Let the given function

Calculus homework question answer, step 1, image 1

Use the expansion of function cos x as

Calculus homework question answer, step 1, image 2

 

Step 2

Use this expansion for the given function

Calculus homework question answer, step 2, image 1

 

 

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