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The lengths of the tangents from any poi...

The lengths of the tangents from any point on the circle `15x^(2)+15y^(2)-48x+64y=0` to the two circles
`5x^(2)+5y^(2)-24x+32y+75=0`
`5x^(2)+5y^(2)-48x+64y+300=0` are in the ratio

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CENGAGE PUBLICATION-CONIC SECTIONS-All Questions
  1. If the straight line x - 2y + 1 = 0 intersects the circle x^2 + y^2 = ...

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  2. The chord of contact of tangents drawn from a point on the circle x^2 ...

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  3. The lengths of the tangents from any point on the circle 15x^(2)+15y^(...

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  4. Find the equation of the normal to the circle x^2+y^2=9 at the point (...

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  5. Find the equations of tangents to the circle x^2+y^2-22 x-4y+25=0 whic...

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  6. If the length tangent drawn from the point (5, 3) to the circle x^2...

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  7. A pair of tangents are drawn from the origin to the circle x^2+y^2+20(...

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

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

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

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  11. Find the equation of the normals to the circle x^2+y^2-8x-2y+12=0 at t...

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

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  13. If the circle x^2+y^2-4x-8y-5=0 intersects the line 3x-4y=m at two dis...

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

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  16. Equation of a circle with centre (4, 3) touching the circle x^2+y^2=1 ...

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  17. Show that the circles x^2+y^2-10 x+4y-20=0 and x^2+y^2+14 x-6y+22=0 to...

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  18. If the radical axis of the circles x^2+y^2+2gx+2fy+c=0 and 2x^2+2y^2+3...

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  19. The equation of three circles are given x^2+y^2=1,x^2+y^2-8x+15=0,x^2+...

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  20. If the pair of lines ax^(2)+2hxy+by^(2)+2gx+2fy+c=0 intersect on the ...

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