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The locus of the centre of the circle i...

The locus of the centre of the circle in which the chord joining the points (1,2) and (2,-1) subtends an anglt `(pi)/(4)` at any point on the circumference is

A

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

B

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

C

3)`x^(2)+y^(2)-6x-2 y+5=0`

D

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

Text Solution

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The correct Answer is:
A
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