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Mathematics
Mathematics
Problem
Consider the function
r
r
r
whose derivative is
r
′
(
x
)
=
x
3
−
6
x
2
+
9
x
r'(x)=x^{3}-6x^{2}+9x
r
′
(
x
)
=
x
3
−
6
x
2
+
9
x
. Determine all
x
x
x
-values at which the graph of
r
r
r
has a point of inflection.
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