Home
Class 12
MATHS
The number of common tangents to the cir...

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

A

4

B

3

C

2

D

1

Text Solution

Verified by Experts

The correct Answer is:
B
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 number of common tangents to the circles x^(2)+y^(2)=0, x^(2)+y^(2)+x=0 is

The number of common tangents to the circles x^(2)+y^(2)=4, x^(2)+y^(2)-8x+12=0 is

The number of common tangents to the circles x^(2)+y^(2)-4x-2y+k =0 and x^(2)+y^(2)-6x-4y+l =0 having radii 2 and 3 respectively is

The number of common tangentss to the circles x^(2)+y^(2)-8x+2y=0 and x^(2)+y^(2)-2x-16y+25=0 is

The number of common tangents to the circle x^(2)+y^(2)-4x-6y-12=0 and x^(2)y^(2)+6x+18y+26=0 is

The number of common tangent to the circles x^(2) + y^(2) + 4x - 6y - 12 = 0 and x^(2) + y^(2) - 8x + 10y + 5 = 0 is

The common tangents to the circles x^(2)+y^(2)-6x=0, x^(2)+y^(2)+2x=0 from

If the number of common tangents to the pair of circles x^(2)+y^(2)-2x+4y-4=0 and x^(2)+y^(2)+4x-4y+alpha=0 is 4, then the least integral value of alpha is

The number of common tangent to the circles x^(2)+y^(2)+2x+8y-23=0, x^(2)+y^(2)-4x-10y+19=0 is

The point of intersecntion of the common tangents drawn to the circles x^(2)+y^(2)-4x-2y+1=0 and x^(2)+y^(2)-6x-4y+4=0 is

TS EAMCET PREVIOUS YEAR PAPERS-ONLINE QUESTION PAPER 2018-MATHEMATICS
  1. If the circle x^(2) + y^(2) + 2kx - 4y+1=0 and x^(2)+y(2)-8x-12 y + 43...

    Text Solution

    |

  2. For all real values of k, the point which lies on the polar of (k,k+1)...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |