Let\[z\]and \[w\] be two complex numbers such that \[|z|\,\le 1,\] \[| – McqOptions

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1.	Let\[z\]and \[w\] be two complex numbers such that \[\|z\|\,\le 1,\] \[\|w\|\,\le 1\]and\[\|z+iw\|\,=\,\|z-i\overline{w}\|=2\]. Then \[z\] is equal to [IIT 1995]
A.	1 or \[i\]
B.	\[i\] or \[-i\]
C.	1 or - 1
D.	\[i\]or -1
Answer» D. \[i\]or -1

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