Home
Class 11
MATHS
The radius of the circle (p-1)x^2 + y^2 ...

The radius of the circle` (p-1)x^2 + y^2 - x - py= 0 `is

A

a)`sqrt5/2 unit`

B

b)`sqrt3/2 unit`

C

c)`sqrt3 unit`

D

d)1 unit

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • MODEL QUESTION PAPERS-SET 10

    UNITED BOOK HOUSE|Exercise EXERCISE|48 Videos

  • MODEL QUESTION PAPERS-SET 12

    UNITED BOOK HOUSE|Exercise EXERCISE|49 Videos

Similar Questions

Explore conceptually related problems

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

A circle touches the x-axis at (3, 0) and its radius is twice the radius of the circle x^(2) + y^(2) - 2x - 2y - 2 = 0 , find the equation of the circle and the length of its chord intercepted on the y-axis.

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

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)) .

The equation of a circle of radius 1 touching the circle x^2 + y^2 - 2|x| = 0 is

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

Find the centre and the radius of the circle. 2x^2+2y^2-4x+8y-4=0

Equation of a circle having radius equal to twice the radius of the circle x^2+y^2+(2p +3)x + (3-2p)y +p-3 = 0 and touching it at the origin is

A circle through the common points of the circles x^(2) + y^(2) - 2x - 4y + 1 = 0 and x^(2) + y^(2) - 2x - 6y + 1 = 0 has its centre on the line 4x - 7y - 19 = 0 . Find the centre and radius of the circle .

If the circle x^2+y^2+6x+8y+a=0 bisects the circumference of the circle x^2 + y^2 + 2x - 6y - b = 0 then (a + b) is equal to

UNITED BOOK HOUSE-MODEL QUESTION PAPERS-SET 11-EXERCISE
  1. In an AP, if the mth and (m + n) th terms are n.and 0 resp then nth te...

    Text Solution

    |

  2. x axis divides the line segment containing two endpoints (3, 6) and (2...

    Text Solution

    |

  3. The radius of the circle (p-1)x^2 + y^2 - x - py= 0 is

    Text Solution

    |

  4. The vlaue of lim(xrarr16)(x^(1//4)-16^(1//4))/(x-16)is

    Text Solution

    |

  5. If y=(1+x^2)/(1+x),then dy/dx at x=0 is

    Text Solution

    |

  6. A bag contains 5 red caps and 4 blue caps. The probability that two dr...

    Text Solution

    |

  7. The median of 1st 67 natural number is

    Text Solution

    |

  8. If A={x:-1lexle2},B={x:0lexle4}Find A-B.

    Text Solution

    |

  9. If f:fRrarrR^+defineed as f(x)=x^2,show that f is surjective.

    Text Solution

    |

  10. If cotalphacotbeta=3,show that (cos(alpha-beta))/(cos(alpha+beta))=2

    Text Solution

    |

  11. In /\ABCif1/(a+c)+1/(b+c)=3/(a+b+c),show that angleC=pi/3

    Text Solution

    |

  12. Express(sqrt3-i)/(1-sqrt3i)in modulus amplitude form

    Text Solution

    |

  13. show that ^nCr+^(n-1)C(r-1)+^(n-1)C(r-2)=^(n+1)Cr

    Text Solution

    |

  14. Find the middle term of the expansion of (P^2-1/P)^9

    Text Solution

    |

  15. Show that the sum of 4 + 12 + 20 + 28 + .... up to n the term is a squ...

    Text Solution

    |

  16. If the distance from- origin to- the straight line 3x + 5y + a = 0 is3...

    Text Solution

    |

  17. Find the co-ordinate of the image of (3, 2, -4) on xy plane.

    Text Solution

    |

  18. If f(x)=x^5+x^3-2x+3,Prove that f'(1)+f'(-1)=4f(0).

    Text Solution

    |

  19. Evaluate :lim(xrarroo)(1+2+3+...+n)/n^2

    Text Solution

    |

  20. For any three sets A,B and C ,prove that A-(BcupC)=(A-B)cap(A-C).

    Text Solution

    |