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Mathematics
Problem
Determine whether the equation
x
3
−
4
x
+
1
=
0
x^{3}-4x+1=0
x
3
−
4
x
+
1
=
0
has a real solution in the interval
(
1
,
2
)
(1,2)
(
1
,
2
)
. Support your answer by evaluating the function at the endpoints of the interval.
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