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If the origin is shifted to the point ((...

If the origin is shifted to the point `((a b)/(a-b),0)` without rotation, then the equation `(a-b)(x^2+y^2)-2a b x=0` becomes (A)`(a-b)(x^2+y^2)-(a+b)x y+a b x=a^2` (B)`(a+b)(x^2+y^2)=2a b` (C)`(x^2+y^2)=(a^2+b^2)` (D)`(a-b)^2(x^2+y^2)=a^2b^2`

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