Home
Class 11
MATHS
Find the radius of the circle (x-5)(x-1)...

Find the radius of the circle `(x-5)(x-1)+(y-7)(y-4)=0` .

A

3

B

4

C

`5/2`

D

`7/2`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CIRCLE AND CONICS

    TARGET PUBLICATION|Exercise CRITICAL THINKING|75 Videos

  • CIRCLE AND CONICS

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING|158 Videos

  • FACTORIZATION FORMULAE

    TARGET PUBLICATION|Exercise EVALUATION TEST|8 Videos

Similar Questions

Explore conceptually related problems

Equations of diameters of circle (x-5)(x-1) + (y - 7) (y-1) = 0 . parallel to co-ordinates axes , are

Find the centre and radius of the circle 2x^(2)+2y^(2)=3x-5y+7

Find the centre and radius of the circle x^(2)+y^(2)+2x-4y-4=0

Find the centre and radius of the circle x^(2) + y^(2) - 6x + 4y - 12 =0 .

Find the centre and radius of the circles x^(2)+y^(2)-4x-8y-45,=0

Find the centre and radius of the circle 4x^(2) + 4y^(2) + 16y -4x = 19.

Find the centre and radius of the circle 3x ^(2) + (a + 1) y ^(2) + 6x -9y + a + 4 =0

Find the image of the circle x^(2)+y^(2)-2x+4y-4=0 in the line 2x-3y+5=0

TARGET PUBLICATION-CIRCLE AND CONICS -EVALUATION TEST
  1. Find the radius of the circle (x-5)(x-1)+(y-7)(y-4)=0 .

    Text Solution

    |

  2. The equation of a circle with origin as centre and passing through the...

    Text Solution

    |

  3. If one end of the diameter is (1, 1) and the other end lies on the lin...

    Text Solution

    |

  4. The centre of circle inscribed in a square formed by lines x^2-8x+1...

    Text Solution

    |

  5. The abscissa of two points A and B are the roots of the equation x ^(2...

    Text Solution

    |

  6. A circle is inscribed in an equilateral triangle of side a. The area o...

    Text Solution

    |

  7. On the parabola y = x^(2), the point least distance from the straight ...

    Text Solution

    |

  8. The equation of a circle passing through the vertex and the extremites...

    Text Solution

    |

  9. The eccentricity of the conjugate hyperbola of the hyperbola x^2-3y^2=...

    Text Solution

    |

  10. Tht line L passes through the points f intersection of the circles x ^...

    Text Solution

    |

  11. the equation of the circle passing through the foci of the ellip...

    Text Solution

    |

  12. Let the eccentricity of the hyperbola (x^(2))/(a^(2))-(y^(2))/(b^(2))=...

    Text Solution

    |

  13. An ellipse drawn by taking a diameter of the circle (x-1)^(2)+y^(2)=1 ...

    Text Solution

    |

  14. The circle x^2 +y^2=4x+8y+ 5 intersects the line 3x-4y= m at two disti...

    Text Solution

    |

  15. Three distinct points A, B and C are given in the 2-dimensional coordi...

    Text Solution

    |

  16. The ellipse x^2+""4y^2=""4 is inscribed in a rectangle aligned with...

    Text Solution

    |

  17. The equation of the the circle having x - y - 2 = 0 and x - y + 2 = 0 ...

    Text Solution

    |

  18. The sum of the minimum distance and the maximum distnace from the poin...

    Text Solution

    |

  19. Let f(x,y) =0 be the equation of a circle. If f (0, lamda)=0 has equal...

    Text Solution

    |

  20. The distance between the vertex of the parabola y = x^2 - 4x + 3 and...

    Text Solution

    |

  21. Let a circle touches to the directrix of a parabola y ^(2) = 2ax has i...

    Text Solution

    |