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about to only mathematics...

about to only mathematics

A

the X-axis

B

the straight line y=5

C

a cicle passing through the origin

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
Given ,`|(z-5i)/(z+5i)| =1 rArr|z-5i|=|z+5i|`
`[because if |z-z_1|=|z-z_2|` then it is perpendicular bisector of `z_1 and z_2`]

`because` Perpendicular bisector (0,5) and (0,-5) is x- axis
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