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If the angle between a pair of tangents ...

If the angle between a pair of tangents drawn from a point P to the circle
`x^(2)+y^(2)-4x+2y+3=0" is "(pi)/(2)` then the locus of P is

A

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

B

`x^(2)+y^(2)-8x+4y+2=0`

C

`x^(2)+y^(2)+4x+2y+1=0`

D

`x^(2)+y^(2)-4x+2y+1=0`

Text Solution

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The correct Answer is:
D
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