If C is a circle of radius r with center z0, in the complex z-plane an – McqOptions

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1.	If C is a circle of radius r with center z0, in the complex z-plane and if n is a non-zero integer, then \(\mathop \oint \nolimits_C \frac{{dz}}{{{{\left( {z - {z_0}} \right)}^{n + 1}}}}\) equals
A.	2πnj
B.	0
C.	nj/2π
D.	2πn
Answer» C. nj/2π

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