QUESTION 15 (z – 2i ) (z – 3) z? (z+5)3 (z-2i)4 | Given f (z) = Which of the following is correct ? z = 0 is a pole of order 3 o z = 5 is a pole of order 3 o z = 2i is a pole of order 3 z = 2i is a pole of order 4

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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QUESTION 15
(z- 2i) (z – 3)
Given f (z) =
%3D
2? (z +5) ³ (z – 2i)
3
4
Which of the following is correct ?
z = 0 is a pole of order 3
O z = 5 is a pole of order 3
o z = 2i is a pole of order 3
z = 2i is a pole of order 4
Transcribed Image Text:QUESTION 15 (z- 2i) (z – 3) Given f (z) = %3D 2? (z +5) ³ (z – 2i) 3 4 Which of the following is correct ? z = 0 is a pole of order 3 O z = 5 is a pole of order 3 o z = 2i is a pole of order 3 z = 2i is a pole of order 4
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