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Mathematics
Mathematics
Problem
Given that
f
(
x
)
=
ln
x
4
x
f(x) = \frac{\ln x}{4x}
f
(
x
)
=
4
x
l
n
x
, show that
f
′
(
x
)
=
1
−
ln
x
4
x
2
f'(x) = \frac{1 - \ln x}{4x^2}
f
′
(
x
)
=
4
x
2
1
−
l
n
x
.
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