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The equation of the locus of 2 such that...

The equation of the locus of 2 such that `|(z-i)/(z+i)|=2`, where z = x + iy is a complex number , is

A

`3x^(2)+3y^(2)+10y-3=0`

B

`3x^(2)+3y^(2)+10y+3=0`

C

`3x^(2)-3y^(2)-10y-3=0`

D

`x^(2)+y^(2)-5y+3=0`

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