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Complex Numbers
medium
0:00.0
Compute
(
2
+
i
)
2
−
(
2
−
i
)
2
(2 + i)^2 - (2 - i)^2
(
2
+
i
)
2
−
(
2
−
i
)
2
.
A
8
i
8i
8
i
B
4
i
4i
4
i
C
0
0
0
D
−
8
i
-8i
−
8
i
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