only need to consider those series that are centered at the origin.) 1 f(z) = z²(1+z)² (b) What is the residue of the function at z = 0 and at z = ∞?

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
Section: Chapter Questions
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B part ASAP If possible do A part too
(a) Determine the Laurent series for the f(z) function about the origin. (You
need to get one series for each annular ring between singular points, but you
only need to consider those series that are centered at the origin.)
1
f(z) =
z²(1+z)²
(b) What is the residue of the function at z = 0 and at z = ∞?
Transcribed Image Text:(a) Determine the Laurent series for the f(z) function about the origin. (You need to get one series for each annular ring between singular points, but you only need to consider those series that are centered at the origin.) 1 f(z) = z²(1+z)² (b) What is the residue of the function at z = 0 and at z = ∞?
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