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A line is at a distance 'c' from origin and meets axes in A and B. The locus of the centre of the circle passing through O,A,B is

A

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

B

`x^(-2)+y^(-2)=2c^(-2)`

C

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

D

`x^(-2)+y^(-2)=4c^(-2)`

Text Solution

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The correct Answer is:
D
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  11. The number of circles belonging to the system of circles 2(x^(2)+y^(2)...

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  14. If P(1, 1//2) is a centre of similitude for the circles x^(2)+y^(2)+4...

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  15. Statement 1 : The equation x^2+y^2-2x-2a y-8=0 represents, for differe...

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  16. x=1 is the radical axis of the two orthogonally intersecting circles....

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  17. If the y=mx+1, of the circle x^2+y^2=1 subtends an angle of measure 45...

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