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Complex Numbers
easy
0:00.0
If
z
=
1
−
i
z = 1 - i
z
=
1
−
i
, what is
Re
(
z
2
)
\text{Re}(z^2)
Re
(
z
2
)
?
A
0
0
0
B
2
2
2
C
−
2
-2
−
2
D
1
1
1
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