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The locus of foot of perpendicular from ...

The locus of foot of perpendicular from the focus upon any tangent to the parabola `y^(2) = 4ax` is

A

`l_(1),l_(2),l_(3) ` are in G.P

B

`l_(2),l_(1),l_(3)` are in G.P

C

`l_(3),l_(1),l_(2)` are in A.P

D

`l_(3),l_(2),l_(1)` are in A.P

Text Solution

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-PARABOLA-EXERCISE 1 A
  1. If M is the foot of the perpendicular from a point P on a parabola to ...

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  2. If y(1),y(2) are the ordinates of two points P and Q on the parabola a...

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  3. The locus of foot of perpendicular from the focus upon any tangent to ...

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  4. The length of the perpendicular from the focus S of the parabola y^(2)...

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  5. The number of tangents to y^(2)=2x through (1,2) is

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  6. The number of tangents to y^(2)=6x through (-1,-1) is

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  7. If the ends of a focal chord of the parabola y^(2)=4ax are (x(1),y(1))...

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  8. If (x(1), y(1)) and (x(2), y(2)) are the end points of a focal chord o...

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  9. The point of intersection of the tangents at t(1) and t(2) to the para...

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  10. The slope of a chord of the parabola y^(2)=4ax which is normal at one ...

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  11. On the parabola y^(2)=8x if one extremity of a focal chord is (1//2,-2...

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  12. A focal chord of the parabola y^(2)=4ax meets it at P and Q . If S is...

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  13. The latusrectum of a parabola whose focal chord is PSQ such that SP =3...

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  14. The circle described on any focal chord of a parabola as diameter touc...

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  15. The circle on a focal radius as diameter of a parabola y^(2)=4ax touch...

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  16. A circle of radius 4 drawn on a chord of the parabola y^(2)=8x as diam...

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  17. The slopes of the focal chords of the parabola y^(2)=32 x which are ta...

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  18. The locus of the midpoints of the focal chords of the parabola y^(2)=4...

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  19. If a chord of the parabola y^(2)=4x passes through its focus and makes...

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  20. The length of the chord of the parabola x^(2)=4ay passing through the ...

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