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Question

Mathematics Question on Cauchy’s integral formula

The value of the integral cdz3zˉ,C:z=1∮_c \frac{dz}{3-\bar z}, C:|z|=1 is

A

2πιˊ3\frac{2πί}{3}

B

2πιˊ9\frac{2πί}{9}

C

πιˊ9\frac{πί}{9}

D

πιˊ3\frac{πί}{3}

Answer

2πιˊ9\frac{2πί}{9}

Explanation

Solution

The correct option is(B)