Home
Class 12
MATHS
The radius of the circle x ^(2) +y^(2) +...

The radius of the circle `x ^(2) +y^(2) +4x+6y+13=0` is-

A

`sqrt26`

B

`sqrt13`

C

`sqrt23`

D

0

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MCQ's

    CHHAYA PUBLICATION|Exercise QUESTION PAPER 7|90 Videos
  • MCQ's

    CHHAYA PUBLICATION|Exercise QUESTION PAPER 8|90 Videos
  • MCQ's

    CHHAYA PUBLICATION|Exercise QUESTION PAPER 3|90 Videos
  • MCQ ZONE 3

    CHHAYA PUBLICATION|Exercise Question Paper 8|30 Videos
  • Measures of Central Tendency

    CHHAYA PUBLICATION|Exercise Exercise 2 C Very short answer type question|18 Videos

Similar Questions

Explore conceptually related problems

State which of the following is the radius of the circle x^(2) + y^(2) + 4x - 8y - 5 = 0 ?

Length of the radius of the circle x^2 + y^2- 4x + 2y=20 is

Center of the circle x^(2) + y^(2) - 4x + 6y - 12 = 0 is -

Find the centre and radius of the circle x^(2) + y^(2) - 4x + 2y - 20 = 0 . Find also the point on the circle which is nearest to (2, (3)/(2)) .

Find the equation of the diameter of the circle x^(2) + y^(2) - 4x + 6y + 9 = 0 which passes through the point (1, -2).

The area (in sq. units) of an equilateral triangle inscribed in the circle x^(2) + y^(2) - 4x - 6y - 23 = 0 is -

Center of the circle x^(2) + y^(2) - 6x + 4y - 12 = 0 is -

Find the equation of the circle concentric with the circle x^(2) + y^(2) + 4x - 6y - 13 = 0 and passing through the centre of the circle x^(2) + y^(2) - 8x - 10y - 8 = 0 .

Find the equation to the common chord of the two circles x^(2) + y^(2) - 4x + 6y - 36 = 0 and x^(2) + y^(2) - 5x + 8y - 43 = 0 .

Determine the positions of the points (-1, 2) with respect to the circle x^(2) + y^(2) - 4x + 6y + 4 = 0 .

CHHAYA PUBLICATION-MCQ's-QUESTION PAPER 5
  1. C is a point on the line-segment joining the points A (2,-3,4) and B(8...

    Text Solution

    |

  2. If lx+my+n=0 is the perpendicular bisector of the segment of line join...

    Text Solution

    |

  3. The radius of the circle x ^(2) +y^(2) +4x+6y+13=0 is-

    Text Solution

    |

  4. The two circles x ^(2)+y^(2)-2x +22y +5=0 and x ^(2) + y^(2) +14 x+6y ...

    Text Solution

    |

  5. The image of the origin with reference to the line 4x+3y=25 is -

    Text Solution

    |

  6. Lex x is even natural number less than 12, then domain of the relation...

    Text Solution

    |

  7. If the circles x ^(2) +y^(2) +2ax+cy+a=0 and x ^(2) +y^(2) -3ax+dy-1=0...

    Text Solution

    |

  8. The lines parallel ot the x-axis and passing through the intersection ...

    Text Solution

    |

  9. The ratio in which the straight line joining points (3,5,-7) and (-2, ...

    Text Solution

    |

  10. Which one of the following points is the nearest poit on the line 3x-4...

    Text Solution

    |

  11. x+y=6 and x+2y=4 are two diameters of a circle. If the circel passes t...

    Text Solution

    |

  12. If the distance between the directrices of a rectangular hyperbola is ...

    Text Solution

    |

  13. The coorinates of the foci of the ellipse 9x^(2) +5y^(2) +30y =0 are-

    Text Solution

    |

  14. Let f (x+(1)/(x))= x^(2) +(1)/(x^(2)) , x ne 0, then the value of f (x...

    Text Solution

    |

  15. The range of the function ""^(7-x)P(x-3) is-

    Text Solution

    |

  16. If the coordinates of one end of a focal chord of the parabola y^(2)=-...

    Text Solution

    |

  17. If a focal chord of y ^(2)=16x is a tangent to (x-6)^(2) +y^(2) =2,. t...

    Text Solution

    |

  18. If A={1,2,3,4,5}, B= {2,4,6}, C= {3,4,6} then (A uuB) nnC is-

    Text Solution

    |

  19. The orbit of the earth around the sun is an ellipes with the sun at on...

    Text Solution

    |

  20. In which of the following intervals two function f (x) =x and g(x) =+ ...

    Text Solution

    |