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If A ` (t_(1)) " and " B(t_(2))` are points on ` y^(2) = 4ax ` , then slope of AB is

A

`(4a)/(t_(1) + t_(2))`

B

`(4)/(t_(1)^(2) + t_(2)^(2))`

C

`(2a)/(t_(1) + t_(2))`

D

`(2)/(t_(1) + t_(2))`

Text Solution

Verified by Experts

The correct Answer is:
D
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MARVEL PUBLICATION-CIRCLE AND CONICS -MULTIPLE CHOICE QUESTIONS
  1. Foot of the directrix of the parabola y^(2) = 4ax is the point

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

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

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

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

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

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

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

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

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

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

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

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

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

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  15. If ASB is a focal chord of a parabola such that AS = 2 and SB = 4 , th...

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  16. If a parabole y^(2) = 4ax passes through (2,-6), then its latus-rectu...

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  17. Equation of directrix of parabola 5y^(2) = 4x is

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  18. The length of the latusrectum of the parbola whose focus is (3, 3) and...

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  19. If (x(1) ,y(1))" and " (x(2) , y(2)) are ends of a chord of y^(2) = ...

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  20. If P(2,8) is one end of the focal chord PQ of the parabola (8t^(2),...

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