Home
Class 12
MATHS
If the roots of the equation x^2-b x+c=0...

If the roots of the equation `x^2-b x+c=0` are two consecutive integers, then find the value of `b^2-4cdot`

A

2

B

1

C

`-2`

D

3

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • QUADRATIC EQUATIONS

    MCGROW HILL PUBLICATION|Exercise Questions from previous Years. B - architecture entrance examination papers|16 Videos
  • QUADRATIC EQUATIONS

    MCGROW HILL PUBLICATION|Exercise Exercise ( Level 2 (Numerical answer type questions))|19 Videos
  • PROGRESSIONS

    MCGROW HILL PUBLICATION|Exercise Questions from Previous Years. B-Architecture Entrance Examination Papers|25 Videos
  • SETS, RELATIONS AND FUNCTIONS

    MCGROW HILL PUBLICATION|Exercise QUESTIONS FROM PREVIOUS YEAR.S B-ARCHITECTURE ENTRANCE EXAMINATION PAPERS|19 Videos

Similar Questions

Explore conceptually related problems

If the roots of the equation x^(2)-bx+c=0 are two consecutive integers,then find the value of b^(2)-4c.

If the roots of the equation x^2-bx+c=0 are two consecutive integers then 3(b^2-4c)=

If the roots of x^(2)-bx+c=0 are two consecutive integers then b^(2)-4c=

If the roots of the cubic x ^(3) +ax ^(2) + bx +c=0 are three consecutive positive integers, then the value of (a ^(2))/(b +1) =

If the roots of ht cubic,x^(3)+ax^(2)+bx+c=0 are three consecutive positive integers,then the value of (a^(2)/b+1) is equal to

MCGROW HILL PUBLICATION-QUADRATIC EQUATIONS-Questions from Previous Years. AIEEE/JEE main papers
  1. If, in a /\PQR, right angled at R, tan (P/2) and tan (Q/2) are the r...

    Text Solution

    |

  2. If the sum of the squares of the roots of the equation x^(2) - (a-2) x...

    Text Solution

    |

  3. If the roots of the equation x^2-b x+c=0 are two consecutive integers,...

    Text Solution

    |

  4. If both the roots of the quadratic equation x^2-2kx+k^2+k-5=0 are less...

    Text Solution

    |

  5. If the equation a(n)x^(n)+a(n-1)x^(n-1)+..+a(1)x=0, a(1)!=0, n ge2, ha...

    Text Solution

    |

  6. If the roots of the quadratic equation x^2+p x+q=0 are tan30^0a n dtan...

    Text Solution

    |

  7. All the values of m for whilch both the roots of the equation x^2-2m x...

    Text Solution

    |

  8. If x is real , the maximum value of (3x^2+9x+17)/(3x^2+9x+7)"i s"

    Text Solution

    |

  9. If the difference between the roots of the equation x^2+a x+1=0 is les...

    Text Solution

    |

  10. The quadratic equations x^2""6x""+""a""=""0""a n d""x^2""c x""+""6"...

    Text Solution

    |

  11. If the roots of the equation b x^2+""c x""+""a""=""0 be imaginary, ...

    Text Solution

    |

  12. If alpha and beta are the roots of the equation x^(2)-x+1=0, alpha^(20...

    Text Solution

    |

  13. Let for a != a1 != 0 , f(x)=ax^2+bx+c ,g(x)=a1x^2+b1x+c1 and p(x) = f(...

    Text Solution

    |

  14. The solution of the equation e^(sin x) - e^(-sin x) - 4 = 0

    Text Solution

    |

  15. If the equation x^(2)+2x+3=0 and ax^(2)+bx+c=0, a,b,c in R have a comm...

    Text Solution

    |

  16. If alpha and beta are the roots of the equation x^2+px+(3p)/4=0 such t...

    Text Solution

    |

  17. if p and q are non zero real numnbers and alpha^3+beta^3=-p alpha beta...

    Text Solution

    |

  18. The value of 'k' for which one root of the equation x^2 - (k+1) x + k^...

    Text Solution

    |

  19. The least integral value alpha of x such that (x-5)/(x^2+5x -14) >0, ...

    Text Solution

    |

  20. Let alpha and beta be the roots of equation px^2 + qx + r = 0 , p != ...

    Text Solution

    |