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4. Find the isolates singularities of the following functions, and determine whether they are removable, poles or essential. a) 1+22' 1- cos z d) g) 2 sin (-) - (). e b) e) e=/(z-2), h) z(1 – e-=)' sin z i) c) f) 23 (z – 1)3

4. Find the isolates singularities of the following functions, and determine whether they are removable, poles or essential. a) 1+22' 1- cos z d) g) 2 sin (-) - (). e b) e) e=/(z-2), h) z(1 – e-=)' sin z i) c) f) 23 (z – 1)3

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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Do part d ,e,f

4. Find the isolates singularities of the following functions, and determine whether they are removable, poles or essential. a) 1+2 1- cos z d) 8) =² sin (-). b) e) e÷/(z-2), h) z(1 – e-=)' sin z e2= f) (z – 1)3 ' i) 23 – 25'
Transcribed Image Text:4. Find the isolates singularities of the following functions, and determine whether they are removable, poles or essential. a) 1+2 1- cos z d) 8) =² sin (-). b) e) e÷/(z-2), h) z(1 – e-=)' sin z e2= f) (z – 1)3 ' i) 23 – 25'
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