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Complex Numbers
medium
0:00.0
What is the value of
(
1
+
i
)
2
+
(
1
−
i
)
2
(1+i)^2 + (1-i)^2
(
1
+
i
)
2
+
(
1
−
i
)
2
?
A
0
0
0
B
2
i
2i
2
i
C
−
2
i
-2i
−
2
i
D
4
4
4
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