If (\Phi(z)=c\_0+c\_1z^{-1}), then (\ointegral\_{|z|=1}\frac... | Mathematics | SolveeIt | Solveeit

Today, August 24

Question

If $\Phi(z)=c_0+c_1z^{-1}$ , then $\oint_{|z|=1}\frac{1+\Phi(z)}{z}dz$ is

A

2πc1

B

2π(1+c0)

C

2πic1

D

2πi(1+c0)

Answer

2πi(1+c0)

Explanation

Solution

The correct answer is(B): 2πi(1+c0)