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Find the locus of the centers of the cir...

Find the locus of the centers of the circles `x^2+y^2-2ax-2b y+2=0` , where `a` and `b` are parameters, if the tangents from the origin to each of the circles are orthogonal.

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CENGAGE ENGLISH-CONIC SECTIONS-All Questions
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  18. Find the equation of the circle which touches both the axes and the ...

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