Lecture 15: More evaluation of real integrals via Cauchy's residue formula

Описание к видео Lecture 15: More evaluation of real integrals via Cauchy's residue formula

We do an example integrating xsin(x)/(x^2+9) by doing a contour integral of the function e^{iz} z/(z^2+9) over a rectangle. We then explain the method of doing real improper integral of type 1 where there is a pole on the real line, i.e. of calculating the Cauchy principle value of a real integral doing a by contour integral. We do an example of such an integral.

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