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Mathematics
Mathematics
Problem
Determine
d
d
x
[
x
3
(
2
x
−
1
)
4
ln
x
cos
5
x
]
\dfrac{d}{dx}\big[x^{3}(2x-1)^{4}\ln x\,\cos 5x\big]
d
x
d
[
x
3
(
2
x
−
1
)
4
ln
x
cos
5
x
]
.
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