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Mathematics
Problem
Determine the set of real numbers
k
k
k
for which the equation
3
x
2
−
k
x
+
(
k
−
4
)
=
0
3x^{2} - kx + (k - 4) = 0
3
x
2
−
k
x
+
(
k
−
4
)
=
0
has real roots.
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