Home
Class 12
MATHS
The equation of the director circle of x...

The equation of the director circle of `x^(2)//12-y^(2)//8=1` is

A

`x^(2)+y^(2)=9`

B

`x^(2)+y^(2)=4`

C

`x^(2)+y^(2)=-9`

D

`x^(2)-y^(2)=4`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • HYPERBOLA

    AAKASH SERIES|Exercise Practice Exercise|55 Videos

  • HYPERBOLA

    AAKASH SERIES|Exercise Examples|10 Videos

  • HYPERBOLA

    AAKASH SERIES|Exercise Exercise -I|47 Videos

  • EXPONENTIAL SERIES

    AAKASH SERIES|Exercise EXERCISE - III|8 Videos

  • INDEFINITE INTEGRALS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|167 Videos

Similar Questions

Explore conceptually related problems

The equations of the direcrtor cirlce of x^(2) //12 -y^(2)//8=1 is

The equation to the auxiliary circle of x^(2)/12+y^(2)/18=1 is

The radius of the director circle of 16x^(2)+9y^(2)=144 is

(i) Find the equation of director circle of 9x^(2) + 25 y^(2)=225 (ii) Find the equation of auxiliary circle of 9x^(2) + 1 6 y^(2) =144

The equation to the director circle of the ellipse 2x^(2)+3y^(2)=6 is

The radius of the director circle of the hyperbola x^2//25-y^(2)//9=1 is

The equation to the auxiliary circle of (x^(2))/(12)+(y^(2))/(18)=1 is

The equation of the circle concentric with the circle x^(2)+y^(2)-6x+12y+15=0 and of double its area is:

AAKASH SERIES-HYPERBOLA-Exercise -II
  1. If the equation (10x-5)^(2)+(10y 4)^(2)=lambda^(2) (3x+4y-1)^(2) repre...

    Text Solution

    |

  2. Statement-I: The number of integral values of K for which the equation...

    Text Solution

    |

  3. The equation of the director circle of x^(2)//12-y^(2)//8=1 is

    Text Solution

    |

  4. If the tangents drawn from a point on the hyperola x^(2)-y^(2)=a^(2)-b...

    Text Solution

    |

  5. Equation of one of the tangents passing through (2, 8) to the hyperbol...

    Text Solution

    |

  6. The locus of the point of Interection of two tangents to the hyperbola...

    Text Solution

    |

  7. Locus of P such that the chord of contact of P with respect to y^2= 4a...

    Text Solution

    |

  8. 3x+4y-7=0 is normal to 4x^(2)-3y^(2)=1 at the point

    Text Solution

    |

  9. The mid point of the chord 4x-3y=5 of the hyperbola 2x^(2)-3y^(2)=12 i...

    Text Solution

    |

  10. If alpha and beta are two points on the hyperbola x^(2)/a^(2)-y^(2)/b^...

    Text Solution

    |

  11. If the intercepts made by tangent, normal to a rectangular hyperbola x...

    Text Solution

    |

  12. If the normal at theta on the hyperbola x^(2)//a^(2)-y^(2)//b^(2)=1 me...

    Text Solution

    |

  13. If the l x+ my=1 is a normal to the hyperbola (x^(2))/(a^(2))-(y^(2))/...

    Text Solution

    |

  14. The locus of the point of intersection of the tangents at the ends of ...

    Text Solution

    |

  15. The locus of middle points of normal chords of the rectangular hyperbo...

    Text Solution

    |

  16. The maximum number of normals to hyperbola x^(2)/a^(2)-y^(2)/b^(2)=1 f...

    Text Solution

    |

  17. The product of lengths of the perpendiculars from the point of the hyp...

    Text Solution

    |

  18. The product of lengths of the perpendiculars from the point of the hyp...

    Text Solution

    |

  19. The angle between the asymptotes of the hyperbola x^(2) -3y^(2) =3 i...

    Text Solution

    |

  20. The asymptotes of the hyperbola 6x^(2) +13xy +6y^(2) -7x -8y-26 =0 ar...

    Text Solution

    |