Home
Class 12
MATHS
If the circles x^(2) + y^(2) + 2lambda x...

If the circles `x^(2) + y^(2) + 2lambda x + 2 =0 and `
` x^(2) + y^(2) + 4y+ 2 = 0` touch each other, then `lambda = `

A

`pm 1`

B

`pm 2`

C

`pm 3`

D

`pm 4`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • AP EAMCET SOLVED PAPER 2018 ( 23-04-2019,SHIFT -1)

    TS EAMCET PREVIOUS YEAR PAPERS|Exercise Mathematics|39 Videos

  • AP EAMCET SOLVED PAPER 2019 (22-04-2019, SHIFT-2)

    TS EAMCET PREVIOUS YEAR PAPERS|Exercise MATHEMATICS|77 Videos

Similar Questions

Explore conceptually related problems

If the circles x^(2) + y^(2) - 2lambda x - 2y - 7 = 0 and 3(x^(2) + y^(2)) - 8x + 29y = 0 are orthogonal then lambda =

Show that the circles S=-x^(2) + y^(2) -2x-4y -20 =0 , S' = x^(2) +y^(2) +6x+ 2y -90 =0 touch each other internally . Find their point contact.

Show that the circles x^(2) +y^(2) + 2ax + c=0 and x ^(2) + y^(2) + 2by + c=0 to touch each other if (1)/(a^(2)) + (1)/( b^(2)) = (1)/( c )

The locus of the centre of the circle which cuts the circles x^(2) + y^(2) + 4x - 6y + 9 = 0 " and " x^(2) + y^(2) - 5x + 4y + 2 = 0 orthogonally is

Show that the circles x^2 + y^2 - 2y -8x+ 8 = 0 and x^2 + y^2 - 2x + 6y + 6 = 0 touch each other and find the point of contact.

TS EAMCET PREVIOUS YEAR PAPERS-AP EAMCET SOLVED PAPER 2019-MATHEMATICS
  1. If tangents are drawn to the circle x^(2) + y^(2) = 12 at the points w...

    Text Solution

    |

  2. If the point of intersection of the pair of the transverse common tang...

    Text Solution

    |

  3. If the circles x^(2) + y^(2) + 2lambda x + 2 =0 and x^(2) + y^(2) ...

    Text Solution

    |

  4. The equation of the circle whose diameter is the common chord of the c...

    Text Solution

    |

  5. If the forcus of a parabola divides a focal chord of the parabola into...

    Text Solution

    |

  6. The angle between the tangents drawn to the parabola y^(2) = 4 x from ...

    Text Solution

    |

  7. If the tangent drawn to the parabola y^(2) = 4x at (t^(2) , 2t) is th...

    Text Solution

    |

  8. If the tangents drawn from a point P to the ellipse 4x^(2) + 9 y^(2) -...

    Text Solution

    |

  9. The locus of the mid-points of the chords of the circle x^(2) + y^(2) ...

    Text Solution

    |

  10. A (3, 2, -1), B (4, 1, 1), C(6, 2, 5) are three points. If D, E, F ar...

    Text Solution

    |

  11. If A = (1, 8, 4) , B= (2, -3, 1) , then the direction cosines of a nor...

    Text Solution

    |

  12. The lines (x-1)/(2)=(y+1)/(3)=(z-1)/(4) and (x-3)/(1)=(y-k)/(2)=(z)/(1...

    Text Solution

    |

  13. lim(xrarr 0 ) (x^(2) (tan2x - 2 tan x )^(2))/((1-cos 2 x )^(4)) =

    Text Solution

    |

  14. lim(x rarr infty ) ( (6x^(2) - cos 3 x ) /(x^(2) + 5 ) - (5x^(3) + 3)/...

    Text Solution

    |

  15. The number of discontinuities in R for the function f(x) = (x-1) / (...

    Text Solution

    |

  16. d /dx (log ( sqrt(x+ sqrt( x^(2) + a^(2) ))))=

    Text Solution

    |

  17. f(x) = Cot^(-1)((x^x-x^(-x))/(2)) then f^(1)(1)=

    Text Solution

    |

  18. If a. ne 0 , x = a (t + sin t) and y = a (1- cos t) then (d^(2) y) /d...

    Text Solution

    |

  19. The number of tangent to the curve y^(2) (x-a) = x^(2) (x+ a ) (agt 0)...

    Text Solution

    |

  20. If f(x) = (2k + 1) x- 3 - ke^(-x) + 2e^(x) is monotonically increasin...

    Text Solution

    |