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Mathematics
Mathematics
Problem
Find all real values of
k
k
k
for which the quadratic equation
x
2
+
2
(
k
−
1
)
x
+
k
+
3
=
0
x^{2} + 2(k-1)x + k + 3 = 0
x
2
+
2
(
k
−
1
)
x
+
k
+
3
=
0
has equal real roots.
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