Why does , if C is the unitary circunference? What are the reasons for that? z...

Question

Question

Why does z Sca -dz = 0 C2z+3 , if C is the unitary circunference? What are the reasons for that?

Answer 1

Answer #1

Z 22 + 3 timple pole. the the since L Note the function f(z) = 2 = 1 2 (z + 2 ) is analytic everywhere except at t = - where

Answer 2

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