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Mathematics
Mathematics
Problem
The smallest value of
k
k
k
, for which both roots of the equation
x
2
−
8
k
x
+
16
(
k
2
−
k
+
1
)
=
0
x^2 - 8kx + 16(k^2 - k + 1) = 0
x
2
−
8
k
x
+
16
(
k
2
−
k
+
1
)
=
0
are real, distinct and have value at least
4
4
4
, is a. 6 b. 4 c. 2 d. 0
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