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Number of points from where perpendicular tangents can be drawn to the curve `x^2/16-y^2/25=1` is

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CENGAGE PUBLICATION-CONIC SECTIONS-All Questions
  1. Consider the family of circles x^2+y^2=r^2, 2 < r < 5 . If in the fir...

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  2. Prove that the locus of the point of intersection of the tangents at t...

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  3. Number of points from where perpendicular tangents can be drawn to the...

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  4. On which curve does the perpendicular tangents drawn to the hyperbola ...

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  5. The minimum area of the triangle formed by the tangent to (x^2)/(a^2)+...

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  6. P is a point on the hyperbola (x^(2))/(a^(2))-(y^(2))/(b^(2))=1, and N...

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  7. If P(x ,y) is any point on the ellipse 16 x^2+25 y^2=400 and f1=(3,...

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  8. Find the equation of the hyperbola whose foci are (8,3)a n d(0,3) and ...

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  9. The number of values of c such that the straight line y=4x+c touches t...

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  10. Find the equations of tangents to the curve 4x^(2)-9y^(2)=1 which are ...

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  11. Find the value of m for which y=mx+6 is a tangent to the hyperbola (x^...

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  12. If a hyperbola passes through the foci of the ellipse (x^2)/(25)+(y^2)...

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  13. One the x-y plane, the eccentricity of an ellipse is fixed (in size a...

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  14. Find the equation of tangent to the conic x^2-y^2-8x+2y+11=0 at (2,1).

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  15. The equation of one directrix of a hyperbola is 2x+y=1, the correspond...

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  16. The distance of a point on the ellipse (x^2)/6+(y^2)/2=1 from the cent...

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  17. A hyperbola having the transverse axis of length 2sintheta is confocal...

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  18. If it is posssible to draw the tangent to the hyperbola (x^(2))/(a^(2)...

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  19. The set of values of m for which it is possible to draw the chord y=sq...

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  20. Find the equations of the tangents to the hyperbola x^(2)-9y^(2)=9 tha...

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