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P N is the ordinate of any point P on th...

`P N` is the ordinate of any point `P` on the hyperbola `(x^2)/(a^2)-(y^2)/(b^2)=1` and `AA '` is its transvers axis. If `Q` divides `A P` in the ratio `a^2: b^2,` then prove that `N Q` is perpendicular to `A^(prime)Pdot`

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PN is the ordinate of any point P on the hyperbola (x^(2))/(a^(2))-(y^(2))/(b^(2))=1 and AA' is its transvers axis.If Q divides AP in the ratio a^(2):b^(2), then prove that NQ is perpendicular to A'P.

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P is a point on the hyperbola (x^(2))/(a^(2))-(y^(2))/(b^(2))=1 , N is the foot of the perpendicular from P on the transverse axis. The tangent to the hyperbola at P meets the transverse axis at T . If O is the centre of the hyperbola, then OT . ON is equal to

A DAS GUPTA-Ellipse and Hyberbola-EXERCISE
  1. If alpha and beta are eccentric angles of the ends of a focal chord of...

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  2. The hyperbola x^2/a^2 - y^2/a^2 - y^2/b^2 = 1 passes through the point...

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  3. P N is the ordinate of any point P on the hyperbola (x^2)/(a^2)-(y^2)/...

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  4. A triangle has its vertices on a rectangular hyperbola. Prove that the...

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  5. Prove that the product of the perpendicular from the foci on any tange...

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  6. Prove that if any tangent to the ellipse is cut by the tangents at the...

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  7. A tangent to the ellipse x^2+4y^2=4 meets the ellipse x^2+2y^2=6 at P&...

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  8. Find the equations of the tangents from the point (2,2) to the ellipse...

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  9. If the normal at an end of a latus rectaum of an ellipse passes thr...

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  10. The locus of the point of intersection of tangents to the ellipse x^(2...

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  11. If the normal at any point P on the ellipse cuts the major and mirror ...

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  12. Find the locus of the foot of the perpendicular drawn from the cent...

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  13. A variable straight line of slope 4 intersects the hyperbola xy=1 at t...

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  14. Prove that the locus of the middle-points of the chords of the hyperbo...

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  15. A normal to the hyperbola x^2-4y^2=4 meets the x and y axes at A and B...

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  16. A circle cuts two perpendicular lines so that each intercept is of giv...

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  17. A circle with centre (3alpha, 3beta) and of variable radius cuts the ...

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  18. The locus of the point of intersection of the tangents at the end-poin...

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  19. Find the locus of the-mid points of the chords of the circle x^2 + y^2...

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  20. If alpha and beta be the angles subtended by the major axis to an elli...

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