Home
Class 12
MATHS
The equation formed by multiplying each ...

The equation formed by multiplying each root of `ax^(2) + bx+ c = 0" by "2 " is "x^(2) = 36x + 24 =0`

A

`2bc =ac+c^(2)`

B

`2ab =bc+c^(2)`

C

`2ac = ab +b^(2)`

D

none

Text Solution

Verified by Experts

The correct Answer is:
c
Promotional Banner

Topper's Solved these Questions

  • THEORY OF QUADRATIC EQUATIONS

    ML KHANNA|Exercise Problem Set - 1 (True And False)|3 Videos
  • THEORY OF QUADRATIC EQUATIONS

    ML KHANNA|Exercise Problem Set - 1 (Fill In The Blanks)|4 Videos
  • THE PARABOLA

    ML KHANNA|Exercise MISCELLANEOUS EXERCISE (Assertion/ Reason)|1 Videos
  • TRIGONOMETRICAL EQUATIONS

    ML KHANNA|Exercise SELF ASSESSMENT TEST |27 Videos

Similar Questions

Explore conceptually related problems

The equation formed by increasing each root of ax^(2)+bx+c=0 by 1 is 2x^(2)+8x+2=0 then

The equation formed by decreasing each root of ax^(2)+bx+c=0 by 1 is 2x^(2)+8x+2=0 then

0,The equation formed by decreasing each root of the equation ax^(2)+bx+c=0 by 1 is 2x^(2)+8x+2=0 then

Statement-1: If alpha and beta are real roots of the quadratic equations ax^(2) + bx + c = 0 and -ax^(2) + bx + c = 0 , then (a)/(2) x^(2) + bx + c = 0 has a real root between alpha and beta Statement-2: If f(x) is a real polynomial and x_(1), x_(2) in R such that f(x_(1)) f_(x_(2)) lt 0 , then f(x) = 0 has at leat one real root between x_(1) and x_(2) .

The ratio of the roots of the equation ax^(2)+bx+c=0 is same equation Ax^(2)+Bx+C=0. If D_(1) and D_(2) are the discriminants of 0. If D_(1) and D_(2) are the ax^(2)+bx+C=0 and Ax^(2)+Bx+C=0 respectively,then D_(1):D_(2)

If the equation ax^(2) + bx + c = 0 and 2x^(2) + 3x + 4 = 0 have a common root, then a : b : c

" The product and sum of the roots equation "ax^(2)+bx+c=0(a!=0)" are "

If alpha is a real root of the quadratic equation ax^(2)+bx+c=0and beta ils a real root of -ax^(2)+bx+c=0, then show that there is a root gamma of equation (a/2)x^(2)+bx+c=0 whilch lies between alpha& beta

ML KHANNA-THEORY OF QUADRATIC EQUATIONS -Self Assessment Test
  1. The equation formed by multiplying each root of ax^(2) + bx+ c = 0" by...

    Text Solution

    |

  2. If the equation x^(2)-(2+m)x +(m^(2)-4m+4)=0 has equal roots then the ...

    Text Solution

    |

  3. The number of real solutions of the equation |x|^(2)-3|x|+2=0 is :

    Text Solution

    |

  4. Find the number of solution of the equation e^(sinx)-e^(-sinx)-4=0

    Text Solution

    |

  5. The roots of the equation (p-q) x^(2)+(q-r) x+(r-p)=0 are

    Text Solution

    |

  6. If one root of x^(2) + px+12 = 0 is 4, while the equation x ^(2)...

    Text Solution

    |

  7. Let alpha and beta are the roots of the equation x^(2) + x + 1 = 0 The...

    Text Solution

    |

  8. If the quadratic equation x^(2) +ax +b =0 and x^(2) +bx +a =0 (a ne b...

    Text Solution

    |

  9. If the roots of the equation x^2-8x+a^2-6a=0 are real distinct, then f...

    Text Solution

    |

  10. The value of k for which the equation x^(2)-(3k-1)x+2k^(2)+2k=11 have ...

    Text Solution

    |

  11. if 2 = I sqrt3 be a root of the equation x^(2) + px + q =0, where p ...

    Text Solution

    |

  12. The number of solutions of the pair of equations 2s in^2theta-cos2thet...

    Text Solution

    |

  13. If alpha, beta are roots of the equations Ax^(2)+Bx+C=0. Then value of...

    Text Solution

    |

  14. If the equation x^(2)+px+q=0 and x^(2)+qx+p=0 have a common root then ...

    Text Solution

    |

  15. If alpha and beta (alpha lt beta) are the roots of the equation x^(2) ...

    Text Solution

    |

  16. If 2a+3b+6c=0, then prove that at least one root of the equation a x^2...

    Text Solution

    |

  17. If the roots of the equation (x^2-b x)/(a x-c)=(m-1)/(m+1) are equal t...

    Text Solution

    |

  18. If sin alpha, cos alpha are the roots of the equation ax^(2)+bx+c=0, t...

    Text Solution

    |

  19. If alpha, beta are the roots of x^(2)-ax+b =0 and If alpha^(n)+beta^(n...

    Text Solution

    |

  20. The value of a for which one root of the quadratic equation (a^2-5a+3)...

    Text Solution

    |

  21. If a,b, c are in G.P., then the equations ax^(2) + 2bx + c = 0 and dx^...

    Text Solution

    |