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Focus of the parabola y^(2)=16 x is at...

Focus of the parabola `y^(2)=16 x` is at

A

`12 x+5 y-48=0`

B

`12 x-5 y-48=0`

C

`12 x-5 y+48=0`

D

`12 x+5 y+168=0`

Text Solution

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The correct Answer is:
B
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HIMALAYA PUBLICATION-PARABOLA-QUESTION BANK
  1. The line x+y=k touches the parabola y=x-x^(2) if k=

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  2. The line y=2 x-12 is a normal to y^(2)=4 x at the point

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  3. Focus of the parabola y^(2)=16 x is at

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  4. The point of intersection of the tangents at the ends of the laturs re...

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  5. If 2 x+y+a=0 is a focal chord of the parabola y^(2)+8 x=0 then a=

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  6. If (x(1), y(1)) and (x(2), y(2)) are the ends of the focal chord of y^...

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  7. The point on the parabola y^(2)=8 x whose distance from the focus is 8...

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  8. The co - ordinates of a point on the parabola y^(2) =8x whose focal d...

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  9. The number of tangents that can be drawn from (3,2) to the parabola y^...

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  10. The product of the abscissae of the extremities of a focal chord of a ...

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  11. The equation of the common tangent to the parabolas y^(2)=4 x and x^(2...

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  12. Two tangents are drawn from the point (-2,-1) to the parabola y^(2)=4 ...

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  13. The angle between the two tangents drawn from the point (1,4) to the p...

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  14. The vertex of the parabola is (4,0) and the y -axis is the directrix. ...

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  15. A tangent to the parabola y^(2)=a x makes an angle 45^(circ) with the ...

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  16. If y=m x+4 is a tangent to y^(2)=6 x, then m=

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  17. If y(1) and y(2) are the ordinates of two points P and Q on the parabo...

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

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  19. The distance between the directrix and latus rectum of a parabola is 4...

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

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