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Mathematics
Mathematics
Problem
If
f
(
x
)
=
x
4
tan
(
x
3
)
−
x
ln
(
1
+
x
2
)
f(x)=x^4\tan(x^3)-x\ln(1+x^2)
f
(
x
)
=
x
4
tan
(
x
3
)
−
x
ln
(
1
+
x
2
)
, then the value of
d
4
(
f
(
x
)
)
d
x
4
\frac{d^4(f(x))}{dx^4}
d
x
4
d
4
(
f
(
x
))
at
x
=
0
x=0
x
=
0
is (a) 0 (b) 6 (c) 12 (d) 24
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