Q7. A-Indicate the order of the pole at z-0 for (sin(z)+sinh(z) — 2z)², B- Find the first four terms of the Laurent series expansion of f(2)= z(1²+1) in the set

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Q7.
A-Indicate the order of the pole at z-0 for (sin(z)+sinh(z) — 2z)²,
B- Find the first four terms of the Laurent series expansion of f(2)=
z(1²+1)
in the set
Transcribed Image Text:Q7. A-Indicate the order of the pole at z-0 for (sin(z)+sinh(z) — 2z)², B- Find the first four terms of the Laurent series expansion of f(2)= z(1²+1) in the set
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