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The focus of the parabola x^(2)-2x-8y-23...

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

A

(1,1)

B

(1,-1)

C

(-1,1)

D

(-1,1)

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The correct Answer is:
C
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AAKASH SERIES-PARABOLA-EXERCISE- II
  1. The vertex of the parabola x^(2)+12x-9y=0 is

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

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

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

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

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

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

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

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

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

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

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

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  13. The parabola (y+1)^(2)=a(x-2) passes through point (1,-2). The equaito...

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  14. lf L and L^(1) are ends or latusrectum of the parabola 9y^(2)= 4x then...

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  15. The point (2a, a) lies inside the region bounded by the parabola x^(2)...

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  16. The length or double ordinate of parabola ,y^(2) = 8x which subtends a...

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  17. An equilateral triangle is inscribed in the parabola y^(2) = 8x with o...

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  18. If an equilateral Delta is inscribed in a parabola y^(2) = 12x with on...

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

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  20. PQ is a double ordinate of the parabola y^(2)+4x . The locus of its po...

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