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A line through (0,0) cuts the circel x ^...

A line through `(0,0)` cuts the circel `x ^(2) +y^(2) -2ax =0` at A and B , then the locus of the centre of the circle drawn on AB as diameter is-

A

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

B

`x ^(2) +y^(2) +ay=0`

C

`x^(2)+y^(2) +ax=0`

D

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

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The correct Answer is:
D
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