Home
Class 12
MATHS
If "tan"^(-1)(x+1)/(x-1)+"tan"^(-1)(x-1)...

If `"tan"^(-1)(x+1)/(x-1)+"tan"^(-1)(x-1)/(x)=tan^(-1)(-7)` then the value of x is

A

0

B

`-2`

C

`1`

D

2

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • KARNATAKA CET 2001

    KCET PREVIOUS YEAR PAPERS|Exercise Mathematics|53 Videos
  • KARNATAKA CET 2003

    KCET PREVIOUS YEAR PAPERS|Exercise MATHEMATICS|60 Videos

Similar Questions

Explore conceptually related problems

If "tan"^(-1)(x-1)/(x-2)+"tan"^(-1)(x+1)/(x+2)=(pi)/4 , find x

tan^(-1)((x)/(y))-tan^(-1)((x-y)/(x+y)) is

If tan^(-1)3+tan^(-1)x=tan^(-1)8 , then x=

If tan^(-1)((x-1)/(x-2)) + tan^(-1)((x+1)/(x+2)) = pi/4 , then find the value x.

If tan ^(-1)(x+1)+tan ^(-1)(x-1)=tan ^(-1) (8)/(31) then x=

If 3 tan ^(-1)((1)/(2+sqrt(3)))-tan ^(-1) (1)/(x)=tan ^(-1) (1)/(3) then x=

tan ^(-1)((1)/(x+y))+tan ^(-1)((y)/(x^(2)+x y+1))=

KCET PREVIOUS YEAR PAPERS-KARNATAKA CET 2002-MATHEMATICS (MCQ.s)
  1. Orbit of the earth around the sun is an ellipse with sun at one of its...

    Text Solution

    |

  2. If cos^(-1)sqrt(p)+cos^(-1)sqrt(1-p)+cos^(-1)sqrt(1-q)=(3pi)/(4) then ...

    Text Solution

    |

  3. If "tan"^(-1)(x+1)/(x-1)+"tan"^(-1)(x-1)/(x)=tan^(-1)(-7) then the val...

    Text Solution

    |

  4. If log(2)7=x, then x is

    Text Solution

    |

  5. Which of the following linear congruences has no solution?

    Text Solution

    |

  6. The value of Lim(xto pi)(sqrt(2+cosx)-1)/((pi-x)^(2)) is

    Text Solution

    |

  7. Let nge5 and bne0. In the binomial expansion of (a-b)^(n), the sum of ...

    Text Solution

    |

  8. The digit in the unit place of the number 183!+3^(183) is

    Text Solution

    |

  9. If 3x^(2)+xy-y^(2)-3x+6y+K=0 represents a pair of lines , then K=

    Text Solution

    |

  10. The value of "cos"^(2)(pi)/(12)+"cos"^(2)(pi)/(4)+"cos"^(2)(5pi)/(12) ...

    Text Solution

    |

  11. If 0ltxlt(pi)/(2), then the largest angle of a triangle whose sides ar...

    Text Solution

    |

  12. The general solution of the equation sintheta+costheta=1 is

    Text Solution

    |

  13. The value of sum(k=1)^(6)("sin"(2pik)/(7)-I"cos"(2pik)/(7)) is

    Text Solution

    |

  14. If f(x)={{:(xsin((1)/(x))", if "xne0),(0" , if "x=0):} then at x=0 th...

    Text Solution

    |

  15. If y="tan"^(-1)((cosx-sinx)/(cosx+sinx)), then (dy)/(dx)=

    Text Solution

    |

  16. The differential of e^(x^(3)) with respect to log x is

    Text Solution

    |

  17. If p to(qvvr) is false, then the truth values of p,q,r are respectivel...

    Text Solution

    |

  18. If 5 is one root of the equation |(x,3,7),(2,x,-2),(7,8,x)|=0 then the...

    Text Solution

    |

  19. If veca,vecb,vecc are mutually perpendicular unit vectors then |veca+v...

    Text Solution

    |

  20. If x=2cost+cos2t,y=2 sint-sin2t, then (dy)/(dx) at t=(pi)/(4) is

    Text Solution

    |