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Complex Numbers
easy
0:00.0
Simplify:
f
r
a
c
4
i
−
2
i
\\frac{4i}{-2i}
f
r
a
c
4
i
−
2
i
.
A
−
2
-2
−
2
B
2
2
2
C
−
2
i
-2i
−
2
i
D
2
i
2i
2
i
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