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Mathematics
Mathematics
Problem
Calculate all
x
x
x
in the interval
[
−
3
,
3
]
[-3,3]
[
−
3
,
3
]
where the function
f
(
x
)
=
(
x
2
−
4
x
+
1
)
3
f(x)=(x^{2}-4x+1)^{3}
f
(
x
)
=
(
x
2
−
4
x
+
1
)
3
has a horizontal tangent.
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