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Mathematics
Mathematics
Problem
For
k
>
0
k>0
k
>
0
, the integral equation
∫
0
π
sin
(
k
x
)
d
x
=
2
\int_{0}^{\pi} \sin(kx)\,dx = 2
∫
0
π
sin
(
k
x
)
d
x
=
2
holds. Which of the following values of
k
k
k
satisfies the equation? a)
3
3
3
b)
π
\pi
π
c)
1
1
1
d)
2
2
2
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