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Mathematics
Problem
For what value of
k
k
k
does the function
f
(
x
)
=
k
x
3
−
6
x
2
+
5
f(x)=k x^{3}-6 x^{2}+5
f
(
x
)
=
k
x
3
−
6
x
2
+
5
attain a local minimum at
x
=
2
x=2
x
=
2
?
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