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If z =x + iy is complex number satisfyin...

If `z =x + iy` is complex number satisfying `|(z-2i)/(z + 2i)|=2` and the locus of z is a circle, then its radius is

A

A. `5/3`

B

B. `sqrt((71)/(9))`

C

C. `8/3`

D

4. `1/3`

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The correct Answer is:
C
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