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Mathematics
Problem
For the quadratic equation
3
x
2
−
2
k
x
+
(
k
+
1
)
=
0
3x^2-2kx+(k+1)=0
3
x
2
−
2
k
x
+
(
k
+
1
)
=
0
, which of the following sets contains all integral values of
k
k
k
for which the equation has no real roots? a)
k
=
0
,
1
,
2
k=0,\,1,\,2
k
=
0
,
1
,
2
b)
k
=
1
,
2
,
3
k=1,\,2,\,3
k
=
1
,
2
,
3
c)
k
=
0
,
1
,
2
,
3
k=0,\,1,\,2,\,3
k
=
0
,
1
,
2
,
3
d)
k
=
−
1
,
0
,
1
,
2
,
3
k=-1,\,0,\,1,\,2,\,3
k
=
−
1
,
0
,
1
,
2
,
3
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