Home
Class 12
MATHS
If the sum of the roots of the equation ...

If the sum of the roots of the equation `2x^(2)+4x+C=0` be equal to the sum of their square then

A

C = 2

B

`C=-6`

C

C = 4

D

C = 6

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • MATHEMATICS (2011)

    WB JEE PREVIOUS YEAR PAPER|Exercise DESCRIPTIVE TYPE QUESTIONS|10 Videos

  • QUESTION PAPER 2008

    WB JEE PREVIOUS YEAR PAPER|Exercise MULTIPLE CHOICE QUESTIONS|80 Videos

Similar Questions

Explore conceptually related problems

If the sum of the roots of the quadratic equation ax^(2)+bx+c=0 be equal to the sum of their squares, then prove that 2ac=ab+b^(2) .

If the sum of the roots of the quadratic equation a x^2+b x+c=0 is equal to the sum of the squares of their reciprocals, then prove that a/c , b/a a n d c/b are in H.P.

The sum of the roots of the equation x^3 + 5x + 1 = 0 is

Determine the roots of the equation x^(2)=4x .

If the sum of the roots of ax^2+bx+c =0 is equal to the sum of their squares, then

Sum of the roots of equation x^2-6x+2=0 is

If the sum of the roots of the equation x^(2)-x=k(2x-1) be zero, then k _____.

IF c is real, show that the roots of the quadratic equation cx^2+(c-1)x+1-2c=0 are real. If the sum of the roots of the equation be equal to three times their difference, then find c.

If the ratio of the roots of the equation x^2+p x+q=0 are equal to ratio of the roots of the equation x^2+b x+c=0 , then prove that p^2c=b^2qdot

The sum of the roots of the quadratic equation x^(2)-6x+2=0 is

WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2007-MULTIPLE CHOICE QUESTIONS
  1. If the straight line y=4x-5 touches the curve y^(2)=px^(3)+q at (2, 3)...

    Text Solution

    |

  2. If A and B are square matrices of the same order, then AB = 0 implies

    Text Solution

    |

  3. If the sum of the roots of the equation 2x^(2)+4x+C=0 be equal to the ...

    Text Solution

    |

  4. If in an arithmetic progression, the sum of n terms is equal to the su...

    Text Solution

    |

  5. If f(x)=x(x-1)(x-2), 0 le x le 4, then the point xi which satisfies Me...

    Text Solution

    |

  6. If log(a)x=y, then the value of loga(a/x) is

    Text Solution

    |

  7. The sides of the rectangle of the greatest area that can be inscribed ...

    Text Solution

    |

  8. The polar co-ordinates of the point (-sqrt(3), 1) are

    Text Solution

    |

  9. If two sides of a triangle are 2sqrt""3-2 and 2sqrt""3+2 and their inc...

    Text Solution

    |

  10. The solution of the equation (dy)/(dx)=xy+y subject to the conditions,...

    Text Solution

    |

  11. An integrating factor of the differential equation (dy)/(dx)(x log x)+...

    Text Solution

    |

  12. Which one of the following is incorrect for any two events A and B ?

    Text Solution

    |

  13. The sum of the infinite series 1+(1)/(|ul(2))+(1.3)/(|ul(4))+(1.3.5)/(...

    Text Solution

    |

  14. Two mappings f : R to R and g : R to R are defined in the following wa...

    Text Solution

    |

  15. If the arithmetic mean of the roots of x^(2)-2ax+b=0 is A and the geom...

    Text Solution

    |

  16. Let y=a(1-cos theta), x = a(theta - sin theta). Then y regarded as a f...

    Text Solution

    |

  17. Let I=int(-2)^(+2){x-[x]}dx when [x] represents the greatest integer n...

    Text Solution

    |

  18. A particle moves according to the law s=t^(3)-9t^(2)+24t. The distance...

    Text Solution

    |

  19. The value of int (1)/(e^(x)+e^(-x))dx is

    Text Solution

    |

  20. If f'(2)=1, then lim(h to 0)(f(2+h)-f(2-h))/(2h) is equal to

    Text Solution

    |