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If L and L' are ends of latus-rectum of parabola ` y^(2) = 4ax ` whose vertex is A , them ` m angle LAL '`=

A

`tan^(-1) 4`

B

`(pi)/(2)`

C

`tan^(-1) sqrt(2)`

D

`2 tan ^(-1) 2`

Text Solution

Verified by Experts

The correct Answer is:
D
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MARVEL PUBLICATION-CIRCLE AND CONICS -MULTIPLE CHOICE QUESTIONS
  1. If theta is the inclination of a focal chord of y^(2) = 4ax to its ...

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  2. If theta is the inclination of a focal chord of y^(2) = 4ax to its ...

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  3. If L and L' are ends of latus-rectum of parabola y^(2) = 4ax whose ...

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  4. If t is a parameter , then locus of a point P (a sin^(2) t, 2a sin...

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  5. Equation of parabola ,having (4,-8) and (4,8) as ends of its latus-rec...

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  6. Tangent to y^(2) = 4ax at its vertex is

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  7. Foot of the directrix of the parabola y^(2) = 4ax is the point

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  8. If A (x(1) , y(1)) " and B" (x(2), y(2)) are point on y^(2) = 4ax , ...

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  9. If A (t(1)) " and " B(t(2)) are points on y^(2) = 4ax , then slope ...

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  10. Points A,B ,C , D on y^(2) = 4ax have parameters t(1) , t(2), t(3), ...

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  11. Points A,B,C,D, on y^(2) = 4ax have parameters t(1) , t(2), t(3) , ...

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  12. If PQ is a focal chord of parabola y^(2) = 4ax whose vertex is A , t...

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  13. If focal distance of a point P on y^(2) = 8x is 4, then P is

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  14. If focal distance of point P on y^(2) = 4x is 6, then P is

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  15. An equilateral triangle is inscribed in y^(2) = 8x so that one angul...

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  16. If (4,0) is the vertex , and Y-axis the directrix of a parabola , then...

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  17. The angle subtended by the double ordinate of length 8a of the parabol...

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  18. If points (au^(2), 2au)'" and " (av^(2) , 2av) are ends of a focal c...

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  19. A circle centred at the vertex of parabola x^(2) = 4y intersects it ...

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  20. If P S Q is a focal chord of the parabola y^2=8x such that S P=6 , the...

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