Home
Class 12
MATHS
Let a ,b , c in R such that no two of t...

Let `a ,b , c in R` such that no two of them are equal and satisfy `|(2a, b, c),( b, c,2a), (c, 2a, b)|=0,` then equation `24 a x^2+8b x+4c=0` has (a) at last one root in `[0,1]` (b) at last one root in `[-1/2,1/2]` (c) at last one root in `[-1,0]` (d) at last two roots in `[0,2]`

Promotional Banner

Topper's Solved these Questions

  • DETERMINANT

    CENGAGE|Exercise Multiple Correct Answer|5 Videos
  • DIFFERENT PRODUCTS OF VECTORS AND THEIR GEOMETRICAL APPLICATIONS

    CENGAGE|Exercise Exercise|337 Videos

Similar Questions

Explore conceptually related problems

If a,b,c in R and a+b+c=0, then the quadratic equation 3ax^2+2bx+c=0 has (a) at least one root in [0, 1] (b) at least one root in [1,2] (c) at least one root in [3/2, 2] (d) none of these

If 3(a+2c)=4(b+3d), then the equation a x^3+b x^2+c x+d=0 will have (a)no real solution (b)at least one real root in (-1,0) (c)at least one real root in (0,1) (d)none of these

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.

If b^2<2a c , then prove that a x^3+b x^2+c x+d=0 has exactly one real root.

If a ,b ,c in Ra n da b c<0 , then equation b c x^2+2(b+c-a)x+a=0h a s (a)both positive roots (b)both negative roots (c)real roots (d)one positive and one negative root

If a ,b ,c ,d in R , then the equation (x^2+a x-3b)(x^2-c x+b)(x^2-dx+2b)=0 has a. 6 real roots b. at least 2 real roots c. 4 real roots d. none of these

if a lt c lt b, then check the nature of roots of the equation (a -b)^(2) x^(2) + 2(a+ b - 2c)x + 1 = 0

If b > a , then the equation (x-a)(x-b)-1=0 has (a) both roots in (a ,b) (b) both roots in (-oo,a) (c) both roots in (b ,+oo) (d)one root in (-oo,a) and the other in (b ,+oo)

If the equation (b^2 + c^2) x^2 -2 (a+b) cx + (c^2 + a^2) = 0 has equal roots, then

If a ,b ,c in R such that a+b+c=0a n da!=c , then prove that the roots of (b+c-a)x^2+(c+a-b)x+(a+b-c)=0 are real and distinct.

CENGAGE-DETERMINANTS-All Questions
  1. If p ,q ,r are in A.P. then value of determinant |a^2+2^(n+1)+2p b^2+2...

    Text Solution

    |

  2. For what values of k , the following system of equations possesses ...

    Text Solution

    |

  3. Let a ,b , c in R such that no two of them are equal and satisfy |(2a...

    Text Solution

    |

  4. Solve by Cramers rule x+y+z=6 x-y+z=2 3x+2y-4z=-5

    Text Solution

    |

  5. The value of the determinant |(k a, k^2+a^2, 1),(k b, k^2+b^2, 1),(k c...

    Text Solution

    |

  6. Find the value of aa n db if the system of equation a^2x-b y=a^2-ba...

    Text Solution

    |

  7. If (x1-x2)^2+(y1-y2)^2=a^2, (x2-x3)^2+(y2-y3)^2=b^2, (x3-x1)^2+(y3-y1...

    Text Solution

    |

  8. f(x)=|cos xx1 2sinxx^2 2xtanxx1| . Then value of (lim)(xvec0)(f(x))/x ...

    Text Solution

    |

  9. If the system of linear equation x + 2ay + az = 0, x + 3by + bz = 0, x...

    Text Solution

    |

  10. Let alpha be a repeated root of a quadratic equation f(x)=0a n dA(x...

    Text Solution

    |

  11. If |a^2+lambda^2a b+clambdac a-blambdaa b-clambdab^2+lambda^2b c+...

    Text Solution

    |

  12. Value of |1+x1 1+x1x1+x1x^2 1+x2 1+x2x1+x2x^2 1+x3 1+x3x1+x3x^2| depen...

    Text Solution

    |

  13. If (x)=|alpha+xtheta+xlambda+xbeta+xvarphi+xmu+xgamma+xpsi+x v+x| show...

    Text Solution

    |

  14. The value of determinant |b c-a^2a c-b^2a b-c^2a c-b^2a b-c^2b c-a^2a ...

    Text Solution

    |

  15. The value of the determinant (a1-b1)^2(a1- ...

    Text Solution

    |

  16. If l1^2+m1^2+n1^2=1 etc., and l1 l2+m1 m2+n1 n2 = 0, etc. and Delta...

    Text Solution

    |

  17. Integrate (sinx)/((sinx-cosx))dx=?

    Text Solution

    |

  18. The value of determinant |[ ^n C(r-1), ^n Cr, (r+1)^(n+2)C(r+1)],[ ^n...

    Text Solution

    |

  19. Let |{:(x,,2,,x),(x^(2),,x,,6),(x,,x,,6):}|=Ax^(4) +Bx^(3)+Cx^(2)+Dx+E...

    Text Solution

    |

  20. Let a ,b , c be the real numbers. The following system of equations in...

    Text Solution

    |