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Complex Numbers
medium
0:00.0
If
arg
(
z
)
=
π
/
4
\text{arg}(z) = \pi/4
arg
(
z
)
=
π
/4
and
∣
z
∣
=
2
|z| = 2
∣
z
∣
=
2
, find
z
2
z^2
z
2
.
A
4i
B
2 + 2i
C
4
D
2i
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