Home
Class 12
MATHS
If 2a+3b+6c = 0, then show that the equa...

If 2a+3b+6c = 0, then show that the equation `a x^2 + bx + c = 0` has atleast one real root between 0 to 1.

Promotional Banner

Topper's Solved these Questions

  • Ellipse and Hyberbola

    A DAS GUPTA|Exercise EXERCISE|65 Videos
  • Function

    A DAS GUPTA|Exercise Exercise|57 Videos

Similar Questions

Explore conceptually related problems

If 2a+3b+6c=0, then show that the equation ax^(2)+bx+c=0 has atleast one real root between 0 to 1.

Statement-1: If a, b, c in R and 2a + 3b + 6c = 0 , then the equation ax^(2) + bx + c = 0 has at least one real root in (0, 1). Statement-2: If f(x) is a polynomial which assumes both positive and negative values, then it has at least one real root.

If a+b + c = 0, then show that the quadratic equation 3ax^(2) + 2bx +c=0 has at least one root in [0,1].

he quadratic equation 3ax^(2)+2bx+c=0 has atleast one root between 0 and 1, if

If a, b, c in R and 2a + 3b + 6c = 0, then the equation ax^(2) + bx + c = 0 has

If 4a+2b+c=0 , then the equation 3ax^(2)+2bx+c=0 has at least one real lying in the interval

If the equation ax^(2) + 2 bx - 3c = 0 has no real roots and (3c)/(4) lt a + b , then

If a, b, c, d are real numbers such that (a+2c)/(b+3d)+(4)/(3)=0 . Prove that the equation ax^(3)+bx^(2)+cx+d=0 has atleast one real root in (0, 1).

Let a,b,c be nonzero real numbers such that int_(0)^(1)(1+cos^(8)x)(ax^(2)+bx+c)dx=int_(0)^(2)(1+cos^(8)x)(ax^(2)+bx+c)dx=0 Then show that the equation ax^(2)+bx+c=0 will have one root between 0and 1 and other root between 1 and 2.

A DAS GUPTA-Equations, Inequation and Expressions-Exercise
  1. if alpha is a real root of the quadratic equation ax^2+bx+c=0 and beta...

    Text Solution

    |

  2. If a1x^3 + b1x² + c1x + d1 = 0 and a2x^3 + b2x^2+ c2x + d2 = 0 have a ...

    Text Solution

    |

  3. If 2a+3b+6c = 0, then show that the equation a x^2 + bx + c = 0 has at...

    Text Solution

    |

  4. For what values of a the following will be an identity in x ? (x^2-1)a...

    Text Solution

    |

  5. The number of integral triplets (a, b, c) such thet a+b cos 2x+c sin^(...

    Text Solution

    |

  6. Let k be the value of a for which the equation (a^2 + 4a + 3) x^2 + (a...

    Text Solution

    |

  7. Solve (x^2+2)^2+8x^2=6x(x^2+2)

    Text Solution

    |

  8. Solve (x+4)(x+7)(x+8)(x+11)+20=0.

    Text Solution

    |

  9. Solve sqrt(5x^2-6x+8)+sqrt(5x^2-6x-7)=1.

    Text Solution

    |

  10. Number of real solutions of sqrt(x)+sqrt(x-sqrt(1-x))=1 is

    Text Solution

    |

  11. Solve (x+3)^4+(x+2)^4+(x+1)^4 = 98.

    Text Solution

    |

  12. Solve for x : 2x^3+5x^2-2x+3 = 0.

    Text Solution

    |

  13. If the roots of the equation x^3-12 x^2+39 x-28=0 are in A.P. th...

    Text Solution

    |

  14. Obtain the real solutions for x,y. xy+3y^2-x+4y-7=0 and 2xy+y^2-2x-2y+...

    Text Solution

    |

  15. Solve for x,y,z. xy + x + y = 23 xz + z + x = 41 yz + y + z = 27.

    Text Solution

    |

  16. If a+b+c!=0, the system of equations (b+c)(y+z)-ax=b-c, (c+a)(z+x)-by=...

    Text Solution

    |

  17. Solve for x,y. x^2 + y(x+1) = 17 and y^2 + x(y+1) = 13

    Text Solution

    |

  18. 12^(5x-2)=(24sqrt3)^(3-x^2)

    Text Solution

    |

  19. Solve 32^((x+5)/(x-7))= 1/4 * 128^((x+17)/(x-3)).

    Text Solution

    |

  20. 9. Solve for x:5^(x+1)+5^(1-x)=26

    Text Solution

    |