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Engineering Mathematics Miscellaneous
  1. Let z be a complex variable. For a counterclockwise integration around a unit circle C, centred at origin.
    ∮c
    1
    		dz = Aπ i the value of A is
    5z - 4
    1. 2/5
    2. 1/2
    3. 2
    4. 4/5
Correct Option: A

∮c
1
dz = Aπi
5z - 4


2
πi
5

A =
2
= 0.4
5


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