(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

∮ dz/(2 - z*) over Curve |z|=1?

where z* = conjugate of z

How to solve this?

2. Relevant equations

I tried doing by taking z*=e^(-iθ) , the answer was zero

Then i did it by taking z*=1/z which gives ∏i/2.

3. The attempt at a solution

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# Cauchy Integral Theorem!

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