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Mathematics
Problem
The quadratic polynomial
x
2
−
6
x
+
k
x^{2}-6x+k
x
2
−
6
x
+
k
is a perfect square trinomial. Find the value of
k
k
k
. a)
12
12
12
b)
6
6
6
c)
9
9
9
d)
36
36
36
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