Home
Class 10
MATHS
If x=1/3,-1 are the roots of the equatio...

If `x=1/3`,`-1` are the roots of the equation `ax^2+bx-1=0`,find a and b.

Promotional Banner

Topper's Solved these Questions

  • QUADRATIC EQUATION

    KALYANI PUBLICATION|Exercise EXERCISE|144 Videos

  • PYTHAGORAS THEOREM

    KALYANI PUBLICATION|Exercise EXERCISE|48 Videos

  • REAL NUMBERS

    KALYANI PUBLICATION|Exercise Exercise|12 Videos

Similar Questions

Explore conceptually related problems

If x=11,7 are the roots of the equation ax^2+bx+77=0 ,find the value of a,b.

If x= -5 , -7 are the roots of the equation ax^2+bx+35=0 ,find the value of a,b.

The roots of the equation ax^2+x+b=0 are equal if

If a and b are the roots of the equation x^2+ax+b=0 ,then a+b=

if alpha , beta be the roots of the equation x^2 + x + 1 = 0 , find the quadratic equation whose roots are alpha^2000 and beta^2000

If alpha , beta be the roots of the equation ax^2 + bx + c = 0 , form the quadratic equation whose roots are 1/alpha , 1/beta

Find the value of a and b for which x=2,3 are the roots of the equation 3x^2+2ax+2b=0

If p be the ratio of roots of the equation ax^2 + bx + c = 0 , show that (p + 1)^2/p=b^2/(ac) .

If -1/2 is a root of the quadratic equation 2x^2+ax-3=0 ,find the value of a.

If the roots of the equation ax^2 + bx + c = 0 are in the ratio 2:3 , then prove that 6b^2 = 25ac

KALYANI PUBLICATION-QUADRATIC EQUATION-EXERCISE
  1. If -1/2 is a root of the quadratic equation 2x^2+ax-3=0,find the valu...

    Text Solution

    |

  2. Find the value of a and b for which x=2,3 are the roots of the equatio...

    Text Solution

    |

  3. If x=1/3,-1 are the roots of the equation ax^2+bx-1=0,find a and b.

    Text Solution

    |

  4. If x=11,7 are the roots of the equation ax^2+bx+77=0,find the value of...

    Text Solution

    |

  5. If x=-5,-7 are the roots of the equation ax^2+bx+35=0,find the value o...

    Text Solution

    |

  6. If x= -4/3,7/5 are the roots of the equation mx^2+nx-28=0,find the val...

    Text Solution

    |

  7. Solve the following equation by using the method of factorisation: 2...

    Text Solution

    |

  8. Solve the following equation by using the method of factorisation: 1...

    Text Solution

    |

  9. Solve the following equation by using the method of factorisation: 3...

    Text Solution

    |

  10. Solve the following equation by using the method of factorisation: a...

    Text Solution

    |

  11. Solve the following equation by using the method of factorisation: (...

    Text Solution

    |

  12. Solve the following equation by using the method of factorisation: x...

    Text Solution

    |

  13. Solve the following equation by using the method of factorisation: x...

    Text Solution

    |

  14. Solve the following equation by using the method of factorisation: s...

    Text Solution

    |

  15. Solve the following equation by using the method of factorisation: 4...

    Text Solution

    |

  16. Solve the following equation by using the method of factorisation: x...

    Text Solution

    |

  17. Solve the following equation by using the method of factorization: a...

    Text Solution

    |

  18. Solve the following equation by using the method of factorization: x...

    Text Solution

    |

  19. Solve the following equation by using the method of factorization: a...

    Text Solution

    |

  20. Solve the following equation by using the method of factorization: (...

    Text Solution

    |