Integral of 1/(x^2+1) from -inf to inf, Contour Integral
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integral of 1/(x^2+1) but you didn't learn it this way in calculus 2
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Supreme Integral with Feynman's Trick
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Complex integration, Cauchy and residue theorems | Essence of Complex Analysis #6
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Complex Analysis: Integral of 1/(x^4+1) using Contour Integration
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A COMPLEX BOI! Integral sin(e^x) from -infinity to infinity using complex analysis
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Complex Analysis 35 | Application of the Residue Theorem
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integral of sin(x)/x from 0 to inf by Feynman's Technique
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