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Let z and omega be two complex numbers ...

Let `z` and `omega` be two complex numbers such that `|z|lt=1,|omega|lt=1` and `|z-iomega|=|z-i bar omega|=2,` then `z` equals (a)`1ori` (b). `ior-i` (c). `1or-1` (d). `ior-1`

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