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Engineering Maths · Q8

Complex Variable

Engineering and GATE · Engineering Maths · question 8

Q8

Consider the following complex function f ( z ) = 9 ( z - 1 ) ( z + 2 )^2 Which of the following is one of the residues of the above function?

Consider the following complex function
Which of the following is one of the residues of the above function?
A.
-1
Answer
B.
C.
2
D.
9

Answer: Option A

Solution

Answer: Option A
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