Home
Class 12
MATHS
The total number of common tangentss of ...

The total number of common tangentss of
`x^(2)+y^(2)`-6x-8y+9=0 and `x^(2)+y^(2)=1` is

A

4

B

2

C

3

D

1

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • SOLVED PAPER 04

    KCET PREVIOUS YEAR PAPERS|Exercise MATHEMATICS|60 Videos

Similar Questions

Explore conceptually related problems

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 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) = 4 and x^(2) +y^(2) - 6x - 8y -24 =0 is,

Find the number of common tangents to the circles x^(2)+y^(2)-8x+2y+8=0andx^(2)+y^(2)-2x-6y-15=0 .

Number of common tangents to the circles : x^2+y^2 -6x-14y+48=0 and x^2+y^2-6x=0 is :

The number of common tangents to the circles x^2+y^2-4x-6y-12=0 and x^2+y^2+6x+18y+26=0 , is :

The common tangent to the parabolas y^(2)=8 x and x^(2)=8 y is

The equation of the common tangent of the curves x^(2)+4y^(2)=8 and y^(2)=4x is :

The equation of common tangents to the parabola y^(2)=8 x and hyperbola 3 x^(2)-y^(2)=3 are

KCET PREVIOUS YEAR PAPERS-SOLVED PAPER 2011-MATHEMATICS
  1. On the set on all non-zero reals,an operation * is defined as a*b=(3ab...

    Text Solution

    |

  2. If 2x^(2)+2y^(2)+4x+5y+1=0 and 3x^(2)+3y^(2)+6x -7y+3k=0 are orthogon...

    Text Solution

    |

  3. The total number of common tangentss of x^(2)+y^(2)-6x-8y+9=0 and x^...

    Text Solution

    |

  4. The length of the latus rectum of 3x^(2)-4y+6x-3=0 is

    Text Solution

    |

  5. The sum of the reciprocals of focal distances of a focal chord PQ of y...

    Text Solution

    |

  6. If the focii of (x^(2))/(16)+(y^(2))/(4)=1 and (x^(2))/(a^(2))-(y^(2...

    Text Solution

    |

  7. The equation of a hyperbola whose asymtotes are 3xpm5y=0 and vertices ...

    Text Solution

    |

  8. The domain of f(x) sin^(-1)(log(2)(x)/(2)) is

    Text Solution

    |

  9. If tan^(-1)x=(pi)/(4)-tan^(-1)((1)/(3)), then x is

    Text Solution

    |

  10. A value of theta satisfying sin5theta-sin3theta+sintheta=0 such that 0...

    Text Solution

    |

  11. The value of |(1+i sqrt(3))/((1+(1)/(i+1))^(2))|=

    Text Solution

    |

  12. If omega is an imaginary cube root of unity ,then the value of (1-omeg...

    Text Solution

    |

  13. If P(x, y) denotes z=x+i y in Argand's plane and |(z-1)/(z+2 i)|=1, t...

    Text Solution

    |

  14. If sqrt(r ) =ae^(thetacotalpha) where a and alpha are real numbers the...

    Text Solution

    |

  15. The derivative of tan^(-1)[(sinx)/(1+cosx)] with respect to tan^(-1)[(...

    Text Solution

    |

  16. (d)/(dx)[cos^(2)(cos^(-1)sqrt((2+x)/(2-x)))] is

    Text Solution

    |

  17. f(x)=(sin^(2)x)/(1+cotx)+(cos^(2)x)/(1+tanx),then ,((pi)/(4)) is

    Text Solution

    |

  18. If cos^(-1)((y)/(b))=nlog((x)/(n)) , then

    Text Solution

    |

  19. Area of a triangle formed by tangent and normal to the curve (x^(2))/...

    Text Solution

    |

  20. The angle between y^(2)=4x and x^(2)+y^(2)=12 at a point of their inte...

    Text Solution

    |