Contour integration: A really cool example for the keyhole contour
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An amazing calculus result derived using contour integration
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Awesome integral solved using contour integration
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Contour integration with a STUNNING result!
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Complex Analysis: Double Keyhole Contour
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Contour Integrals
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Complex Analysis 26 | Keyhole contour [dark version]
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ONE OF THE COOLEST INTEGRALS EVER!!! int ln(x)/(1+e^x) from 0 to infty
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