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Equation of parabola whose focus is (1, ...

Equation of parabola whose focus is (1, 0) and directrix is` x + 2y- 1= 0 is`

A

`4x^(2) - 4xy + y^(2) - 8x + 4y + 4 = 0 `

B

`4x^(2) + 4xy + y^(2) - 8x + 4y + 4 = 0`

C

`4x^(2) + 4xy + y^(2) + 8x - 4y + 4 = 0 `

D

`4x^(2) - 4xy + y^(2) - 8x - 4y + 4 = 0 `

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The correct Answer is:
A
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AAKASH SERIES-PARABOLA-EXERCISE- II
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  2. The equation of the parabola with focus (1,-1) and directrix x + y +...

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  3. The vertex and focus of a parabola are at a distance of h and k units ...

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  4. The equation of the parabola with latusrectum joining the points (6,7)...

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  5. Equation or Parabola whose axis is parallel to y-axis and passing thro...

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  7. The equation 16x^(2)+y^(2) +8xy-74x-78y+212 =0 represents

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  9. The vertex of the parabola x^(2)+12x-9y=0 is

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  10. The vertex of the parabola x^(2)+8x+12y+4=0 is

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  11. The focus of the parabola x^(2)-2x-8y-23=0 is

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  12. Axis of the parabola x^(2)-3y-6x+6 = 0 is

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  13. Focus of parabola y = ax^(2) + bx + c is

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  14. The vertex of parabola whose focus is (2,1) and directrix is x - 2y + ...

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  15. The focus and directrix of a parabola are (1, 2) and x + 2y + 9 = 0 th...

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  16. The length of latusrectum x^(2) - 6x + 16y + 25 = 0 is

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  17. I : The length of the latus rectum of the parabola y^(2)+8x-2y+17=0 i...

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  18. The length of latus rectum of the parabola whose focus is ((u^(2))/(2g...

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  19. The latusrectum of the parabola 13[(x-3)^(2)+(y-4)^(2) ]= (2x-3y+5)^(2...

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  20. Vertex is (4, 3) and diretctrix is 3x+2y-7=0 then equation of latusrec...

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