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Mathematics
Mathematics
Problem
Find the value of
k
k
k
if
3
3
3
is a zero of the quadratic polynomial
2
x
2
+
k
x
−
18
2x^{2}+kx-18
2
x
2
+
k
x
−
18
. a)
6
6
6
b)
−
12
-12
−
12
c)
0
0
0
d)
4
4
4
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