Home
Class 12
MATHS
The number of real circles culting ortho...

The number of real circles culting orthogonally the circle `x^(2) + y^(2) + 2x -2y + 7 = 0` is

A

0

B

1

C

2

D

infinitely many

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • KARNATAKA CET 2012

    KCET PREVIOUS YEAR PAPERS|Exercise MATHEMATICS|60 Videos

  • KARNATAKA CET 2014

    KCET PREVIOUS YEAR PAPERS|Exercise MATHEMATICS|60 Videos

Similar Questions

Explore conceptually related problems

The locus of the centre of a circle which cuts orthogonally the circle x^2+y^2 -20x+4=0 and which touches x = 2 is :

Find the equation of the circle concentric with the circle x^(2) + y^(2) - 8x + 6y -5 = 0 and passing through the point (-2, -7).

The number of common tangents to the circles x^(2) + y^(2) = 4 and x^(2) +y^(2) - 6x - 8y -24 =0 is,

The circleS orthogonal to three circleS x^(2)+y^(2)+a_(i) x+b_(i) y+c=0, i=1,2,3, is

The number of common tangents to the circles x^(2)+y^(2)-x=0 and x^(2)+y^(2)+x=0 , is

The number of common tangents to the circles x^(2)+y^(2)-y=0 and x^(2)+y^(2)+y=0 is

The number of tangtnts from (1,2) to the circle x^(2)+y^(2)-2 x-4 y+4=0 is

The ltngth of the tangtnt to the circle x^(2)+y^(2)-2 x-y-7=0 at (-1,-3) is

The least and the greatest distances of the point (10 , 7) from the circle x^(2) + y^(2) - 4x - 2y - 20 = 0 are

KCET PREVIOUS YEAR PAPERS-KARNATAKA CET 2013-Mathematics
  1. A tangent is drawn to the circle 2x^(2) + 2y^(2) -3x + 4y = 0 at the p...

    Text Solution

    |

  2. The area of the circle having its centre at (3,4) and touching the lin...

    Text Solution

    |

  3. The number of real circles culting orthogonally the circle x^(2) + y^(...

    Text Solution

    |

  4. The length of the chord of the circle x^(2) + y^(2) + 3x + 2y -8 = 0 i...

    Text Solution

    |

  5. A -= (cos theta , sin theta), B -= (sin theta, -cos theta) are two poi...

    Text Solution

    |

  6. The sum of the squares of the eccentricities of the conics (x^(2))/(4)...

    Text Solution

    |

  7. The equation of the tangent to the parabola y^(2) = 4x inclined at an ...

    Text Solution

    |

  8. If the distance between the foci and the distance between the directri...

    Text Solution

    |

  9. If the area of the auxilliary circle of the ellipse (x^(2))/(a^(2)) + ...

    Text Solution

    |

  10. cos [2"cos"^(-1) (1)/(5) + "sin"^(-1) (1)/(5)]=

    Text Solution

    |

  11. tan^(-1)((x)/(y))-tan^(-1)((x-y)/(x+y)) is

    Text Solution

    |

  12. The general solution of sin x - cos x= sqrt2, for any integer 'n' is

    Text Solution

    |

  13. The modulus and amplitude of (1 + 2i)/(1-(1-i)^(2)) are

    Text Solution

    |

  14. If 2x=-1+sqrt(3)i, then the value of (1-x^(2)+x)^(6)-(1-x+x^(2))^(6)=

    Text Solution

    |

  15. If x+ y = tan^(-1) y and (d^(2)y)/(dx^(2)) =f (y) (dy)/(dx), then f(y)...

    Text Solution

    |

  16. f(x) = {(2a-x", when" a lt x lt a),(3x-2a ", when " a le x):}. Then wh...

    Text Solution

    |

  17. Let f(x) = cos^(-1) [(1)/(sqrt13) (2 cos x - 3 sin x)]. Then f(0.5) =

    Text Solution

    |

  18. If f (x) is a function such that f''(x)+f(x)=0 and g(x)=[f(x)]^(2)+[f'...

    Text Solution

    |

  19. If f(x) = f'(x) + f''(x) + f'''(x) + ….and f(0)=1, then f(x) =

    Text Solution

    |

  20. The function f(x) = (x)/(3) + (3)/(x) decreases in the interval

    Text Solution

    |