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the laurent series expansion of f z 2 z 1 z 2 vali
Question:
The Laurent series expansion of
\(f(z)=[\frac{2}{(z-1)(z-2)}]\)
valid for
\(|z-1|>1\)
CUET (PG) - 2023
CUET (PG)
Updated On:
Mar 12, 2025
\(\frac{1}{(z-1)}+\frac{2}{(z-1)^3}+\frac{3}{(z-1)^5}+.....\)
\(\frac{1}{(z-1)}+\frac{2}{(z-1)^3}+\frac{3}{(z-1)^3}+.....\)
\(\frac{1}{(z-2)}+\frac{2}{(z-2)^3}+\frac{3}{(z-2)^3}+.....\)
\(\frac{1}{(z-1)}+\frac{2}{(z-2)^3}+\frac{3}{(z-1)^3}+\frac{4}{(z-2)^4}+.....\)
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The Correct Option is
B
Solution and Explanation
The correct option is (B):
\(\frac{1}{(z-1)}+\frac{2}{(z-1)^3}+\frac{3}{(z-1)^3}+.....\)
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