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2.6.1.6 Fourier integral
Problem: Let
f
(
x
)
=
e
−
|
x
|
cos
ω
x
. Calculate the integral:
F
(
y
)
=
1
2
π
∫
−
∞
+
∞
f
(
x
)
e
i
y
x
d
x
.
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