Home
Class 12
MATHS
If the roots of the equation, 4x^(3) - (...

If the roots of the equation, `4x^(3) - (5k -1)x + 5k=0`
differ by unity them which one of the following is a possible value of k?

A

3

B

`-1`

C

`-1/5`

D

`3/5`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER 2021

    NDA PREVIOUS YEARS|Exercise MULTIPLE CHOICE QUESTIONS|120 Videos

  • SEQUENCE AND SERIES

    NDA PREVIOUS YEARS|Exercise MATH|148 Videos

Similar Questions

Explore conceptually related problems

If x(x-1)(x-2)(x-3) + 1 = k^(2) then which one of the following is a possible expression for k ?

If the roots of the equation 7x^(3)-4x^(2)+k=0 are in arithmatic progression then find the value of k

If exactly one root of the equation x^(2)+(k+1)x+5k=0 lies in (0,5) then the number of integral values of k is

One of the roots of the quadratic equation 5x^(2) + 2x+ k = 0 is - ( 7 )/( 5) . Complete the following activity to find the value of k. - ( 7)/( 5) is the root of the quadratic equation 5 x^(2) + 2x + k = 0 . :. Substitute x = - ( 7)/( 5) in the equation :. 5 xx square + 2 xx square + k = 0 :. square - square + k = 0 :. square + k = 0 :. k = square

One of the roots of the equation x^(2)-12x+k=0 is x=3 . The value of k is :

If the product of the roots of the equation x^(2) - 5x+ k = 15 " is " -3 , then what is the value of k?

If exactly one root of the quadratic equation x^(2)-(k+(11)/(3))x-(k^(2)+k+1)=0 lies in (0,3) then which one of the following relation is correct?

NDA PREVIOUS YEARS-QUESTION PAPER 2021(I)-MULTIPLE CHOICE QUESTION
  1. Suppose set A consists of first 250 natural numbers that are multiple ...

    Text Solution

    |

  2. Let S, denote the sum of first k terms of on AP. What is S(30)/(S(20)-...

    Text Solution

    |

  3. If the roots of the equation, 4x^(3) - (5k -1)x + 5k=0 differ by uni...

    Text Solution

    |

  4. Consider the digits 3,5,7,9. Which is the number of 5 digit numbers fo...

    Text Solution

    |

  5. How many distinct matrices exist which all four entries taken from (1,...

    Text Solution

    |

  6. If i = sqrt(-1), then how many values does i^(-2n) have for different ...

    Text Solution

    |

  7. If x =a/(b-c), y=b/(c-a), z = c/(a-b), then what is the value of the f...

    Text Solution

    |

  8. Consider the following in respect of the matrix: [{:(1,1,1),(1,1,1),...

    Text Solution

    |

  9. Consider the following for the next two que that follow: A circle ...

    Text Solution

    |

  10. A circle is passing through the points [5,-8], (-2,9) and (2,1) If r ...

    Text Solution

    |

  11. Conider the following for the next two (02 items that follow) The tw...

    Text Solution

    |

  12. Direction: Consider the following for the next two [02] items that fol...

    Text Solution

    |

  13. The equations of the sides AB, BC and CA of a triangle ABC are x-2=0, ...

    Text Solution

    |

  14. The locus of a point P(x,y,z) which moves in such a way that z=7 is a

    Text Solution

    |

  15. The xy-plane divides the line joining the points (-1,3,4) aned (2,-5,6...

    Text Solution

    |

  16. Find the number of sphere of radius r touching the coordinate ax...

    Text Solution

    |

  17. If veca+3vecb=3hati-hatj and 2veca+vecb=hati-2hatj ,then what is the a...

    Text Solution

    |

  18. If (veca+vecb) is perpendicular to veca and magnitude of vecb is twice...

    Text Solution

    |

  19. If the position vectors of A and B are (sqrt2-1)hati-hatj and hati+(sq...

    Text Solution

    |

  20. If y=(1+x)(1+x^(2))(1+x^(4))(1+x^(8))(1+x^(16)) then what is (dy)/(dx)...

    Text Solution

    |