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