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Mathematics
Mathematics
Problem
4. Find the intervals in which the function
f
f
f
given by
f
(
x
)
=
x
3
+
1
x
3
,
x
≠
0
f(x)=x^{3}+\frac{1}{x^{3}}, x \neq 0
f
(
x
)
=
x
3
+
x
3
1
,
x
=
0
is (i) increasing (ii) decreasing. (i) increasing (ii) decreasing.
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