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Mathematics
Mathematics
Problem
Let
k
(
x
)
=
sin
(
3
x
)
e
5
x
k(x)=\dfrac{\sin(3x)}{e^{5x}}
k
(
x
)
=
e
5
x
sin
(
3
x
)
. Find
k
′
(
x
)
k'(x)
k
′
(
x
)
.
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