- #1

asi123

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## Homework Statement

Hey guys.

So I got this integral I need to solve, of curse using the residue theorem.

The thing is, that I don't understand the curve.

I know that whenever Z^2 = integer, this function has a singularity point because e^(2*pi*i*n) = 1.

But again, I'm not sure what this curve has enclosed in.

Thanks.