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Mathematics
Mathematics
Problem
Evaluate
∫
0
∞
e
−
x
sin
n
x
d
x
\int_{0}^{\infty} e^{-x} \sin^n x \, dx
∫
0
∞
e
−
x
sin
n
x
d
x
, if
n
n
n
is an even integer.
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