If \[z=x+iy\] and \[|z-zi|\,=1,\]then [RPET 1988, 91]

1.	If \[z=x+iy\] and \[\|z-zi\|\,=1,\]then [RPET 1988, 91]
A.	\[z\]lies on \[x\]-axis
B.	\[z\]lies on \[y\]-axis
C.	z lies on a circle
D.	None of these
Answer» D. None of these

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If \[z=x+iy\] and \[|z-zi|\,=1,\]then [RPET 1988, 91]

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