Home
Class 12
MATHS
If the roots (1)/(x+k+1)+(2)/(x+k+2)=1 a...

If the roots `(1)/(x+k+1)+(2)/(x+k+2)=1` are equal in magnitude but opposite in sign, then k =

A

-1

B

0

C

1

D

2

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • QUADRATIC EQUATIONS & EXPRESSIONS

    AAKASH SERIES|Exercise EXERCISE-II|121 Videos

  • PROBABILITY

    AAKASH SERIES|Exercise Practise Exercise|165 Videos

  • RANDOM VARIABLE

    AAKASH SERIES|Exercise PRACTICE EXERCISE|34 Videos

Similar Questions

Explore conceptually related problems

If the roots of (1)/(x+a)+ (1)/(x+b)= (1)/(c) are equal in magnitude and opposite in sign, then the product of roots is

IF the roots of (1) /(x +a) + (1)/(x +b)=(1)/(c ) are equal in magnitude and opposite in sign then the product of the roots is

IF the roots of the equation (1)/(x+p) +(1)/(x+q) =(1)/(r ) are equal in magnitude and opposite in sign , then p+q +r=

IF the roots of ax^2+bx +c=0 are equal in magnitude but opposite in sign then

If the roots of (x^(2)-bx)/(ax-c)=(k-1)/(k+1) are numerically equal but opposite in sign, then k =

IF the roots of kx^2+x(k-1)+(k-1)=0 are equal, then k=……….

IF the roots of x^2-2(5 + 2k ) x+ 3 (7+10k) are equal then k=

If k in R , then roots of (x - 2) (x - 3) = k^2 are always

If the roots of the equation 4x^(3)-12x^(2)+11x+k=0 are in arithmetic progression, then k is equal to

AAKASH SERIES-QUADRATIC EQUATIONS & EXPRESSIONS-PRACTICE EXERCISE
  1. For p, q in R, the roots of (p^(2) + 2)x^(2) + 2x(p +q) - 2 = 0 are

    Text Solution

    |

  2. If the equation x^(2)-x+ m^(2) = 0 has no real roots then m can satisf...

    Text Solution

    |

  3. If the roots (1)/(x+k+1)+(2)/(x+k+2)=1 are equal in magnitude but oppo...

    Text Solution

    |

  4. The roots of the equation 5x^(2)+10x-7=0 are

    Text Solution

    |

  5. The set of values of p for which the roots of the equation 3x^(2) + 2x...

    Text Solution

    |

  6. If the roots of ax^(2)+ bx + c = 0 are equal in magnitude but opposite...

    Text Solution

    |

  7. If the roots of ax^(2) + bx + c = 0 are both positive and b lt 0, then

    Text Solution

    |

  8. The value of 'a' for which the quadratic equation 2x^(2) - x(a^(2) + 8...

    Text Solution

    |

  9. Let alpha, beta be the roots of the equation (x - a)(x - b) = c, c != ...

    Text Solution

    |

  10. The equation |x|^(2) -|x|-6 = 0 has

    Text Solution

    |

  11. If |x^(2)|-3|x|+2=0 then x =

    Text Solution

    |

  12. Solutions of the equation x|x+1|+1=0 are

    Text Solution

    |

  13. If m is a positive integer then the solutions of x^((2)/(5))-5x^((1)/(...

    Text Solution

    |

  14. If the sum of the roots of ax^(2) + bx + c = 0 is equal to the sum of ...

    Text Solution

    |

  15. If a != 0, then the equation (x-a-1)/(x-a)=(a+1)-(1)/(x-a) has

    Text Solution

    |

  16. The number of real solutions of the equation ((9)/(x))^(x)= -3+x-x^(2)...

    Text Solution

    |

  17. Solve x^(2//3)+x^(1//3)-2=0

    Text Solution

    |

  18. If the equations x^(2)-ax+bc=0 and x^(2)+bx+ca=0 have a common root, t...

    Text Solution

    |

  19. If the equation x^(2)+ax+b=0 and x^(2)+bx+a=0 have a common root, then...

    Text Solution

    |

  20. Suppose the that quadratic equations ax^(2)+bx+c=0 and bx^(2)+cx+a=0 h...

    Text Solution

    |