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Complex Numbers
hard
0:00.0
Find
∣
z
∣
|z|
∣
z
∣
if
z
=
(
1
+
i
)
2
/
(
1
−
i
)
z = (1+i)^2 / (1-i)
z
=
(
1
+
i
)
2
/
(
1
−
i
)
.
A
\sqrt{2}
B
2
C
1
D
4
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