A) a circle
B) a ellipse
C) a straight line
D) a parabola
Correct Answer: A
Solution :
Let \[\omega =2/z\]then, \[|\omega |=\left| \frac{2}{z} \right|=\frac{2}{|z|}\]\[=\frac{2}{1}=2\] This shows that \[\omega \]lies on a circle with centre at the origin and radius 2 units.
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