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The residues of a function text f left( text z right)...

This question belongs to Engineering Maths Complex Variable
Complex Variable
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The residues of a function $${\text{f}}\left( {\text{z}} \right) = \frac{1}{{\left( {{\text{z}} - 4} \right){{\left( {{\text{z}} + 1} \right)}^3}}}$$    are

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Correct Answer: Option B
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