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If `y_(1)` and `y_(2)` are the ordinates of two points `P` and `Q` on the parabola `y^(2)=4 a x` and `y_(3)` is the ordinate of the point of intersection of the tangents at `P` and `Q` then, `y_(1), y_(3)` and `y_(2)` are in

A

1)(AP)`

B

2)(GP)`

C

3)HP

D

4)no such relation

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The correct Answer is:
A
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HIMALAYA PUBLICATION-PARABOLA-QUESTION BANK
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  3. If y(1) and y(2) are the ordinates of two points P and Q on the parabo...

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  4. If (0,4) and (0,2) are respectively the vertex and focus of a parabola...

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  6. The directrix of the parabola y^(2)=16 x is

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  8. If x=m y+c is a normal to the parabola x^(2)=4 a y, then the value of ...

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  9. Angle substended by the latus rectum at the origin is

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  10. Locus of the point of intersection of normals to the parabola y^(2)=4 ...

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  11. The tangent to a parabola at the vertex A and any point P meet at Q ...

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  12. An equilateral triangle is inscribed in the parabola y^(2)=4ax, where ...

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  13. If 2 x+y+lambda=0 is a normal to the parabola y^(2)=8 x, then lambda=

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  14. Two ends of the latus rectum of a parabola are (4,6) and (-2,6), then ...

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  15. In each of the following find the coordinates of the focus , axis of t...

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  16. The line 2 x-3 y+5=0 is a tangent to the parabola y^(2)=4 a x, then a=

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  17. If t is a parameter of one end of a focal chord of the parabola y^(2) ...

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  18. The line y=m x+2 is a tangent to the parabola y^(2)=4 x, then m=

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  19. The condition for the line L x+m y+n=0 to be a tangent for x^(2)=y is

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  20. The distance of the P on the parabola y^(2)=4 x from the focus is 26. ...

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