Biomedical Engineering > GATE 2023 > Complex Analysis
The function f(Z)=1/(z-1) of a complex variable Z is integrated on a closed contour in an anti-clockwise direction. For which of the following contours, does this integral have a non-zero value?
A
|Z-2|=0.01
B
|Z-1|=0.1
C
|Z-3|=5
D
|Z|=2

Correct : b, d

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Related Topics

GATE Biomedical Engineering 2023 GATE BM 2023 Q48 complex variable contour integration cauchy integral formula non zero integral closed contour complex analysis engineering mathematics residue theorem complex variables

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