Q27] expand the given function in a Laurent series valid for the indicated annular domain. f(2) Cosz 0 < lz| - 2 sinz f(2) 0 < Iz| %3D f(2) = e-/², 0< Izl 1 - e? 0 < /z] f(2) = e? f(2) = 0 < Iz – 1| %3D 1' -2 SOɔ 2 = (2)f 0< /zl
Q27] expand the given function in a Laurent series valid for the indicated annular domain. f(2) Cosz 0 < lz| - 2 sinz f(2) 0 < Iz| %3D f(2) = e-/², 0< Izl 1 - e? 0 < /z] f(2) = e? f(2) = 0 < Iz – 1| %3D 1' -2 SOɔ 2 = (2)f 0< /zl
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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![Q27] expand the given function in a Laurent series valid for the indicated
annular domain.
Cosz
f(2) =
0< Iz|
%3D
f(2)
sinz
0 < Iz|
f(2) = e-/, 0< Iz|
1 - e?
%3D
f(2) =
0< /zl
%3D
e?
f(2)
0 < z - 1|
1'
f(2)
sos, 0<비
= z cos](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4cf3e5f1-b4ca-4d26-99df-2a8cdc60b779%2F0ce37c06-2f79-4b5a-9312-6879403a5b39%2Fgg0r9xr_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q27] expand the given function in a Laurent series valid for the indicated
annular domain.
Cosz
f(2) =
0< Iz|
%3D
f(2)
sinz
0 < Iz|
f(2) = e-/, 0< Iz|
1 - e?
%3D
f(2) =
0< /zl
%3D
e?
f(2)
0 < z - 1|
1'
f(2)
sos, 0<비
= z cos
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