Home
Class 12
MATHS
If (2)/(sqrt(5)) is the length of the co...

If `(2)/(sqrt(5))` is the length of the common chord of the circles `x^(2)+y^(2)+2x+2y+1=0` and `x^(2)+y^(2)+alphax+3y +2 = 0,alpha ne 0," then "alpha=`

A

4

B

3

C

2

D

1

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ONLINE QUESTION PAPER

    TS EAMCET PREVIOUS YEAR PAPERS|Exercise Mathematics|80 Videos

  • QUESTION PAPER 2015

    TS EAMCET PREVIOUS YEAR PAPERS|Exercise MATHEMATICS|78 Videos

Similar Questions

Explore conceptually related problems

The length of the common chord of the circles x^(2) + y^(2) + 2hx = 0 , x^(2) + y^(2) - 2ky = 0 is

The length of the common chord of the circles x^(2) + y^(2) + 2gx + c = 0 and x^(2) + y^(2) + 2fy - c = 0 is

The length of the common chord of the circles x^(2) + y^(2) + 2x + 3y + 1= 0 , x^(2) + y^(2) + 4x + 3y + 2 =0 is

The length of the common chord of the circles x^(2) + y^(2) + 2hx + a^(2) = 0 , x^(2) + y^(2) - 2ky - a^(2) = 0 is

The length of the common chord of the two circles x^(2) + y^(2) - 4y = 0 " and " x^(2) + y^(2) - 8x - 4y - 11= 0 is

Find the length of the common chord of the circle x^2+y^2+2hx+a^2=0 and x^2+y^2-2ky-a^2=0 .

TS EAMCET PREVIOUS YEAR PAPERS-ONLINE QUESTION PAPER 2018-MATHEMATICS
  1. For all real values of k, the point which lies on the polar of (k,k+1)...

    Text Solution

    |

  2. The number of common tangents to the circles x^(2)+y^(2)+4x=0 and x^...

    Text Solution

    |

  3. If (2)/(sqrt(5)) is the length of the common chord of the circles x^(2...

    Text Solution

    |

  4. Match the item of list-I with those of List-II Then, which of the...

    Text Solution

    |

  5. An equilateral is inscribed in the parabola y^(2)=8x with one of its v...

    Text Solution

    |

  6. If the straight line 8x+3sqrt(2)y= 36 touches the ellipse (x^(2))/(9...

    Text Solution

    |

  7. The eccentricity of an ellipse, with its centre at the origin, is 1/2....

    Text Solution

    |

  8. If the product of the slopes of the tangents drawn from an external po...

    Text Solution

    |

  9. Let A, B, C be three points on bar(OX),bar(OY),bar(OZ) respectively a...

    Text Solution

    |

  10. If the direction cosines of two lines are such that l+m+n=0,l^(2)+m^...

    Text Solution

    |

  11. If the line joining the points A (1, 0, 0) and B(0, 0, 1) is a normal...

    Text Solution

    |

  12. The number of points at which the funtion f(x)=(sqrt(11+abs(x)-6sqrt(2...

    Text Solution

    |

  13. If f(x)={{:((sqrt(1+px)-sqrt(1-px))/(x)",",-1lexlt0),((2x+1)/(x-2)",",...

    Text Solution

    |

  14. If y =tan^(-1)(sinsqrt(x))+ "cosec"^(-1)(e^(2x+1)), " then " (dy)/(dx)...

    Text Solution

    |

  15. If f : RrarrR is such that f(3)=16,f'(3)=4, then underset(x rarr 3) l...

    Text Solution

    |

  16. If y=e^(x)(log x), " then " xy(2)+(x-1)y=

    Text Solution

    |

  17. Let f(x)=e^(x)cos x + 1. Which of the following statements is always t...

    Text Solution

    |

  18. The radius of a circular plate is increasing at the rate of 0.01 cm/se...

    Text Solution

    |

  19. Let f(x)=x^(2)e^(-2x),x gt 0. The maximum value of f(x) is

    Text Solution

    |

  20. Let f(x) be differentible on [1, 6] and f(1)=-2. If f(x)has only one...

    Text Solution

    |