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Arnold's Trivium
1991 Arnold's Trivium
50
Problem 50
Problem 50
Source:
July 1, 2010
integration
calculus
Problem Statement
Calculate
∫
−
∞
+
∞
e
i
k
x
1
+
x
2
d
x
\int_{-\infty}^{+\infty}\frac{e^{ikx}}{1+x^2}dx
∫
−
∞
+
∞
1
+
x
2
e
ik
x
d
x
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