Home
Class 14
MATHS
If the equation x^(2) + 2 (1 + k ļx +k^(...

If the equation `x^(2) + 2 (1 + k ļx +k^(2)) = 0` has equal roots, then what is the value of k?

A

`-(1)/(3)`

B

`-(1)/(2)`

C

0

D

1

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • QUADRATIC EQUATIONS

    PUNEET DOGRA|Exercise PREV YEAR QUESTIONS|103 Videos
  • PROPERTIES OF TRIANGLES

    PUNEET DOGRA|Exercise PREV YEAR QUESTION|30 Videos
  • SEQUENCE AND SERIES

    PUNEET DOGRA|Exercise PREVIOUS YEAR QUESTIONS|88 Videos

Similar Questions

Explore conceptually related problems

If the equation x^(2) + k^(2) = 2 (k+1)x has equal roots, then what is the value of K?

If the equation 4x^(2) - 2kx + 3k =0 has equal roots, then what are the values of k?

If the equation x^(2)+2(1+k)x+k^(2)=0 has equal roots, what is the value of k ?

If the equation 16x^(2)+6kx+4=0 has equal roots, then what is the value of k?

If quadratic equation 3x^(2) - 4x + k = 0 has equal roots, then the value of k is............... .

If the equation 2x^2 + kx +3= 0 has two equal roots, then the value of k is

If the quadratic x^(2) - 2x +k =0 has equal roots, then value of k is ______.

For what value of k, the equation x^(2) + 4kx + 4 = 0 has equal roots?

If the equation x^(2)+2(k+2)x+9k=0 has equal roots then k= ?

PUNEET DOGRA-QUADRATIC EQUATIONS-PREV YEAR QUESTIONS
  1. If the equation x^(2) + 2 (1 + k ļx +k^(2)) = 0 has equal roots, then ...

    Text Solution

    |

  2. What is the solution of x le 4, y ge 0 and x le - 4. y le 0 ?

    Text Solution

    |

  3. How many real roots of the equations x^(2) + 3|x| +2 = 0 have ?

    Text Solution

    |

  4. Consider the following statements in respect of the quadratic equation...

    Text Solution

    |

  5. If a, b in {1, 2, 3, 4}, then the number of quadratic equations of the...

    Text Solution

    |

  6. Simplify:- 3.5 * (80 ÷ 2.5) = ?

    Text Solution

    |

  7. If |x^(2) - 3 x + 2| gt x^(2) - 3 x + 2. Then which one of the followi...

    Text Solution

    |

  8. Under which one of the following conditions will the quadatic equation...

    Text Solution

    |

  9. The value of (1)/(2+(1)/(2-(1)/(2-(1)/(2))))

    Text Solution

    |

  10. Let A cup B = {x|(x-a)(x-b)gt0, where a lt b}, what are A and B equal ...

    Text Solution

    |

  11. If p and q are the roots of the equation x^(2) - 30x + 221 = 0. What i...

    Text Solution

    |

  12. What are the roots of the equations |x^(2) -x - 6| = |x + 2| ?

    Text Solution

    |

  13. If a and b are the different real roots of the equations px^(2) + qx ...

    Text Solution

    |

  14. If roots of the equation x^(2) + px + q = 0 are tan19 and tan26 then w...

    Text Solution

    |

  15. Number of real roots of the equation x^(2) + 9|x|+20=0 is/are

    Text Solution

    |

  16. The ratio of roots of the equations ax^(2) + bx + c = 0 and px^(2) + q...

    Text Solution

    |

  17. If cos alpha and cos beta (0 lt a lt beta lt pi) are the roots of the ...

    Text Solution

    |

  18. If alpha and beta (!=0) are the roots of the quadratic equation x^(2)+...

    Text Solution

    |

  19. Consider the following expression : (1) x + x^(2) - (1)/(x) (2). ...

    Text Solution

    |

  20. Simplify:- 70% of 100 * 12 = ? - 25

    Text Solution

    |

  21. The equation |1-x| + x^(2) = 5 has :

    Text Solution

    |