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The length of the latus rectum of the pa...

The length of the latus rectum of the parabola `x^(2)-4 x-8 y+12=0` is

A

4

B

6

C

8

D

10

Text Solution

Verified by Experts

The correct Answer is:
C
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HIMALAYA PUBLICATION-PARABOLA-QUESTION BANK
  1. The equation of the parabola which passes through the intersection of ...

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  2. y^(2)-2 x-2 y+5=0 is

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  3. The length of the latus rectum of the parabola x^(2)-4 x-8 y+12=0 is

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  4. An equation of the tangent to y^(2)=9 x which passes through (4,10) is

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  5. The equation of the parabola with its vertex at the origin, axis on th...

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  6. The equation of the parabola whose focus is (5,3) and the directrix 3 ...

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  7. The point of the parabola y^(2)=18 x for which the ordinate is three t...

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  8. The tangents drawn at the extremeties of a focal chord of the parabola...

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  9. For the parabola y^(2)=4x the point P whose focal distance is 17 is

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  10. The angle between the tangents drawn to the parabola y^(2)=12x from th...

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  11. The tangents drawn at the extremeties of a focal chord of the parabola...

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  12. The length of the latus rectum of 3x^(2)-4y+6x-3=0 is

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  13. The sum of the reciprocals of focal distances of a focal chord PQ of y...

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  14. The ends of the latus rectum of the parabola x^(2)+10x-16y+25=0 are

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  15. The length of the latus rectum of the parabola bx^(2)-4ay+dx+e=0

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  16. The directrix of the parabola x^(2)-4x-8y+12=0

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  17. If the normals at points ' t(1) " and ' t(2) ' to the parabola y^(2)=4...

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  18. The equation of a tangent to the parabola y^(2)=8x is y=x+2 the point...

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  19. If two tangents drawn from a point p to the parabola y^(2)=4x are at r...

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  20. The equation of the common tangent to the curves y^2=8x and xy =-1 is ...

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