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Mathematics
Problem
Find the complex number
z
z
z
, satisfying the equations
∣
z
−
i
∣
=
∣
z
+
1
∣
=
1
|z - i| = |z + 1| = 1
∣
z
−
i
∣
=
∣
z
+
1∣
=
1
.
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