Consider the complex function f(z)= 1/(z^2 +1)  Find the residue of f(z) at the pole z=i.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.3: Lines
Problem 27E
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Consider the complex function f(z)= 1/(z^2 +1) 

Find the residue of f(z) at the pole z=i.

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