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Mathematics
Mathematics
Problem
Given
f
(
x
)
=
x
3
−
3
k
x
f(x)=x^{3}-3kx
f
(
x
)
=
x
3
−
3
k
x
, write the equation that
k
k
k
must satisfy if
x
=
1
x=1
x
=
1
is a critical point of
f
(
x
)
f(x)
f
(
x
)
. (Do not solve this equation.)
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