Home
Class 10
MATHS
Prove that p and q are two roots of the ...

Prove that p and q are two roots of the quadratic `x^(2)-(p+q)x+pq=0`.

Promotional Banner

Topper's Solved these Questions

  • QUADRATIC EQUATION IN ONE VARIABLE

    CALCUTTA BOOK HOUSE|Exercise EXERCISE-1.3|43 Videos
  • QUADRATIC EQUATION IN ONE VARIABLE

    CALCUTTA BOOK HOUSE|Exercise EXERCISE-1.4|28 Videos
  • QUADRATIC EQUATION IN ONE VARIABLE

    CALCUTTA BOOK HOUSE|Exercise EXERCISE-1.1|29 Videos
  • PYTHAGORAS THEOREM

    CALCUTTA BOOK HOUSE|Exercise EXAMPLE 6|4 Videos
  • QUADRATIC SURDS

    CALCUTTA BOOK HOUSE|Exercise Exercise -3.2|28 Videos

Similar Questions

Explore conceptually related problems

If p and q are the roots of the equation x^2+px+q =0, then

If , p , q are the roots of the equation x^(2)+px+q=0 , then

Prove that q^^~p -=~ (q to p)

The product of the sines of the angles of a triangle is p and the product of their cosines is qdot Show that the tangents of the angles are the roots of the equation q x^3-p x^2+(1+q)x-p=0.

If p and q are the two roots of the equation x^2 + px + q = 0 , then find the value of p____

IF alpha and beta be the roots of the equation x^2+px+q=0 show that alpha/beta is a root of the equation qx^2-(p^2-2q)x+q=0 .

If alphaandbeta be the roots of the quadratic equation px^(2)-qx+q=0 , then show that sqrt((alpha)/(beta))+sqrt((beta)/(alpha))-sqrt((q)/(p))=0 .

If the sum of the two roots of the quadratic equation x^2-px+q=0 be the thrice of their difference then prove that 2p^2=9q

If the difference of the roots of the quadratic equation x^(2)-px+q=0 be 1, then prove that p^(2)+4q^(2)=(1+2q)^(2) .

If the ratio of the roots of the quadratic equation x^(2)-px+q=0 be 2:3, then prove that 6p^(2)=25q .

CALCUTTA BOOK HOUSE-QUADRATIC EQUATION IN ONE VARIABLE-EXERCISE-1.2
  1. The quadratic equation in one variable x^(2)+1=0 have no roots.

    Text Solution

    |

  2. The roots of the quadratic equation x^(2)+a=0 are .

    Text Solution

    |

  3. The roots of the quadratic equation x^(2)-2x+1=0 are and .

    Text Solution

    |

  4. Solve : sqrtx+(1)/(sqrtx)=2.

    Text Solution

    |

  5. Determine for value of a if sqrt2 is a root of the quadratic equation ...

    Text Solution

    |

  6. Prove that p and q are two roots of the quadratic x^(2)-(p+q)x+pq=0.

    Text Solution

    |

  7. Solve : x+(k)/(x)=sqrt2.

    Text Solution

    |

  8. If (2)/(5)and-5 be two roots of the quadratic equation ax^(2)-5x+b=0, ...

    Text Solution

    |

  9. If sqrt2and-1 be two roots of the quadratic equation sqrt2ax^(2)+bx+1=...

    Text Solution

    |

  10. Solve the equations : x^(2)+2bx-b^(2)=a^(2)-b(b-2x)

    Text Solution

    |

  11. Solve the equations : (b-ax)/(bx-a)=(d-cx)/(dx-c)

    Text Solution

    |

  12. Solve the equations : (1)/(a-b){a^(2)(x-b)-b^(2)(x-a)}=x^(2)

    Text Solution

    |

  13. Solve the equations : (x-3)/(x+3)-(x+3)/(x-3)+6(6)/(7)=0

    Text Solution

    |

  14. Solve the equation abs(x-abs(4-x))-2x=4

    Text Solution

    |

  15. Solve the equations : (x-3)/(x+3)+(x+3)/(x-3)=(2(x+4))/(x-4)

    Text Solution

    |

  16. Solve the equations : ((a-x)/(x+a))^(2)-5((x-a)/(x+a))+6=0

    Text Solution

    |

  17. Solve the equations : ((x+1)^(3)-(x-1)^(3))/((x+1)^(2)-(x-1)^(2))=2

    Text Solution

    |

  18. Solve the equations : (x-a)/(x-b)+(x-b)/(x-a)=(a)/(b)+(b)/(a)

    Text Solution

    |

  19. Solve the equations : (1)/(a+b-x)=(1)/(a)+(1)/(b)-(1)/(x)

    Text Solution

    |

  20. Solve the equations : (x-2)(x-3)-(a+1)/(a^(2))=0

    Text Solution

    |