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1 all isolated singularities of the functions 2 2³ - 1' sin² 7 and 2 cos (¹)

1 all isolated singularities of the functions 2 2³ - 1' sin² 7 and 2 cos (¹)

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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**Problem Statement:** Find all isolated singularities of the functions \[ \frac{1}{z^3 - 1} \], \[ \frac{z^2}{\sin^2 z} \], and \[ \frac{z}{\cos\left( \frac{1}{z} \right)} \].
Transcribed Image Text:**Problem Statement:** Find all isolated singularities of the functions \[ \frac{1}{z^3 - 1} \], \[ \frac{z^2}{\sin^2 z} \], and \[ \frac{z}{\cos\left( \frac{1}{z} \right)} \].
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