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Mathematics
Mathematics
Problem
If the quadratic equation
2
x
2
+
k
x
+
18
=
0
2x^2 + kx + 18 = 0
2
x
2
+
k
x
+
18
=
0
has equal real roots, the positive value of
k
k
k
is a) 9 b) 12 c) 18 d) 6
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