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Mathematics
Problem
For the quadratic function
f
(
x
)
=
(
k
+
1
)
x
2
+
2
(
k
−
3
)
x
+
5
f(x)=(k+1)x^{2}+2(k-3)x+5
f
(
x
)
=
(
k
+
1
)
x
2
+
2
(
k
−
3
)
x
+
5
, the minimum value is
1
1
1
. Find the value(s) of the parameter
k
k
k
for which this condition holds.
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