. Find the Taylor's or Laurent's series expansion of the complex variable function which is ; i) 1< ]z] <2 represented by : f(z) = ii) |z| < 2; ) Iz| > 2. Also %3D (z2-1)(z²+4) classify the singularity of f(z) = cosec

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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. Find the Taylor's or Laurent's series expansion of the complex variable function which is
represented by : f(z) =
; i) 1< ]z] <2
ii) |z| < 2; ) Iz| > 2. Also
(z²–1)(z²+4)
classify the singularity of f(z) = cosec
Transcribed Image Text:. Find the Taylor's or Laurent's series expansion of the complex variable function which is represented by : f(z) = ; i) 1< ]z] <2 ii) |z| < 2; ) Iz| > 2. Also (z²–1)(z²+4) classify the singularity of f(z) = cosec
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