Contour integration to solve improper integrals
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Use the contour shown (Fig. 7.11, attached) with R--> infinity to prove that
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Solution Summary
The solution shows how to apply contour integration to solve an improper integral, in this case sin(x)/x over the entire real axis.
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We need to calculate the improper integral
(1.1)
We can rewrite the integrand:
(1.2)
And now we replace it by the complex number z:
(1.3)
And we are going to integrate over the contour:
The problem is that we have a removable singularity at the origin, which is part of the path that we want to ...
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