An integral I over a counterclockwise circle C is given by\(I = \matho – McqOptions

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1.	An integral I over a counterclockwise circle C is given by\(I = \mathop \oint \limits_C^\; \frac{{{z^2} - 1}}{{{z^2} + 1}}{e^z}dz.\)If C is defined as \|z\| = 3, then the value of I is
A.	-πi sin (1)
B.	-2πi sin (1)
C.	-3πi sin (1)
D.	-4πi sin (1)
Answer» E.

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