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Complex Numbers
easy
0:00.0
What is the sum of roots for
z
2
−
6
z
+
13
=
0
z^2 - 6z + 13 = 0
z
2
−
6
z
+
13
=
0
?
A
13
13
13
B
−
13
-13
−
13
C
6
6
6
D
−
6
-6
−
6
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