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Complex Numbers
hard
0:00.0
If
z
=
3
+
4
i
z = 3 + 4i
z
=
3
+
4
i
, compute
∣
z
−
1
∣
|z^{-1}|
∣
z
−
1
∣
.
A
1
/
5
1/5
1/5
B
1
/
7
1/7
1/7
C
5
5
5
D
1
/
25
1/25
1/25
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