The residues of \({\rm{f}}\left( {\rm{z}} \right) = \frac{{{{\rm{z}}^2 – McqOptions

MCQOPTIONS

1.	The residues of \({\rm{f}}\left( {\rm{z}} \right) = \frac{{{{\rm{z}}^2}}}{{\left( {{\rm{z}} - 1} \right){{\left( {{\rm{z}} + 2} \right)}^2}}}\) at z = 1 is
A.	\( - \frac{1}{9}\)
B.	\(\frac{1}{9}\)
C.	\(\frac{1}{8}\)
D.	0
Answer» C. \(\frac{1}{8}\)

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