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Mathematics
Problem
Let
f
(
x
)
=
x
3
−
6
x
2
+
9
x
+
1
f(x)=x^{3}-6x^{2}+9x+1
f
(
x
)
=
x
3
−
6
x
2
+
9
x
+
1
. Determine the
x
x
x
-coordinate of the local minimum of
f
f
f
on the real line.
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