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The chord of contact of tangents drawn f...

The chord of contact of tangents drawn from a point on the circle `x^2 + y^2 = a^2` to the circle `x^2 + y^2 = b^2` touches the circle `x^2 + y^2=c^2` Show that a, b, c are in G.P.

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CENGAGE PUBLICATION-CONIC SECTIONS-All Questions
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  7. If the length tangent drawn from the point (5, 3) to the circle x^2...

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  9. Find the equation of the normal to the circle x^2+y^2-2x=0 parallel to...

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  10. Find the equation of the tangent to the circle x^2+y^2+4x-4y+4=0 which...

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  11. if the distances from the origin to the centre of three circles x^2+y^...

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  13. An infinite number of tangents can be drawn from (1,2) to the circle x...

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  15. The line A x+B y+C=0 cuts the circle x^2+y^2+a x+b y+c=0 at Pa n dQ . ...

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  16. Find the equation of the circle which cuts the three circles x^2+y^2-3...

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