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Mathematics
Mathematics
Problem
Given that
f
(
x
)
=
2
x
−
3
ln
x
f(x) = 2\sqrt{x} - 3 \ln x
f
(
x
)
=
2
x
−
3
ln
x
, evaluate
f
′
(
9
)
f'(9)
f
′
(
9
)
.
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