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Derivatives
hard
0:00.0
If
f
(
x
)
=
ln
(
x
x
)
f(x) = \ln(x^x)
f
(
x
)
=
ln
(
x
x
)
, what is
f
′
′
(
x
)
f''(x)
f
′′
(
x
)
?
A
1/x
B
-1/x^2
C
1/x^2
D
0
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