COMPLEX ANALYSIS: SOLUTIONS 5 - NTNU

we would like to choose a contour which lies just above and below the cut and that also picks up the residues at i; i. A natural choice is the contour we used in the lectures. This consisted of a small circle about z= 0, horizontal lines just above and below the negative real axis, and a large circle completing the contour.

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  Residues, Contour

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