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If a circle passes through the point (a,...

If a circle passes through the point (a, b) and cuts the circle `x^2+y^2=K^2` orthogonally then the equation of the locus of its centre is

A

`2ax+2by-(a^2+b^2+K^2)=0`

B

`2ax+2by-(a^2-b^2+K^2)=0`

C

`x^2+y^2-3ax-4by+(a^2+b^2-K^2)=0`

D

`x^2+y^2-2ax-2by+(a^2-b^2-K^2)=0`

Text Solution

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The correct Answer is:
A
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