Home
Class 12
MATHS
The possible positive integral value of ...

The possible positive integral value of 'k' for which `5x ^(2) -2k x +1lt 0` has exactly one integral solution may be divisible by :

A

2

B

3

C

5

D

7

Text Solution

Verified by Experts

The correct Answer is:
A, C
Promotional Banner

Topper's Solved these Questions

  • QUADRATIC EQUATIONS

    VK JAISWAL|Exercise EXERCISE (COMPREHENSION TYPE PROBLEMS)|23 Videos

  • QUADRATIC EQUATIONS

    VK JAISWAL|Exercise EXERCISE (MATCHING TYPE PROBLEMS)|3 Videos

  • QUADRATIC EQUATIONS

    VK JAISWAL|Exercise EXERCISE (SUBJECTIVE TYPE PROBLEMS)|45 Videos

  • PROBABILITY

    VK JAISWAL|Exercise Exercise -5 : Subjective Type problems|12 Videos

  • SEQUENCE AND SERIES

    VK JAISWAL|Exercise EXERCISE (SUBJECTIVE TYPE PROBLEMS)|21 Videos

Similar Questions

Explore conceptually related problems

Integral value of k for which x^2-2(3k-1)x+8k^2-7 gt 0

Find the number of positive integral values of k for which kx ^(2) +(k-3)x+1 lt 0 for atleast one positive x.

Minimum positive integral value of k for which f(x)=k cos2x-4cos^(3)x has exactly one critical point in (0,pi) ,is

Find all possible integral values of x for which satisfy, x^2+3x-28lt0

The set of values of 'a' for which ax^(2)-(4-2a)x-8lt0 for exactly three integral values of x, is

The smallest integral value of a for which the equation x^(3)-x^(2)+ax-a=0 have exactly one real root,is

Number of integral values of k for which the equation 4cos^(-1)(-|x|)=k has exactly two solutions,is:

Minimum integral value of k for which the equation e^(x)=kx^(2) has exactly three real distinct solution,

VK JAISWAL-QUADRATIC EQUATIONS -EXERCISE (ONE OR MORE THAN ONE ANSWER IS/ARE CORRECT)
  1. If the minimum value of the quadratic expression y =ax ^(2)+bx +c is n...

    Text Solution

    |

  2. The quadratic expression ax ^(2)+bx+c gt 0 AA x in R, then :

    Text Solution

    |

  3. The possible positive integral value of 'k' for which 5x ^(2) -2k x +1...

    Text Solution

    |

  4. The coefficient of x in the equation x^2+px+q=0 was wrongly written as...

    Text Solution

    |

  5. If x is real and x^(2) - 3x + 2 gt 0, x^(2)- 3x - 4 le 0, then which o...

    Text Solution

    |

  6. If 5 ^(x) + (2 sqrt3) ^(2x) -169 le 0 is true for x lying in the inter...

    Text Solution

    |

  7. Let f (x) =x ^(2) + ax +b and g (x) =x ^(2) +cx+d be two quadratic po...

    Text Solution

    |

  8. The expression (1)/(sqrt(x+2sqrt(x-1)))+(1)/(sqrt(x-2sqrt(x-1))) simp...

    Text Solution

    |

  9. if allvalues of x which satisfies the inequality log ((1//3))(x ^(2) +...

    Text Solution

    |

  10. Which of the following statement(s) is/are correct ?

    Text Solution

    |

  11. If (a, 0) is a point on a diameter of the circle x^(2)+y6(2)=4, then t...

    Text Solution

    |

  12. Let x^2-px+q=0, where p in R,q in R have the roots alpha,beta such tha...

    Text Solution

    |

  13. If a,b,c are rational numbers (a gt b gt c gt 0) and quadratic equatio...

    Text Solution

    |

  14. For the quadratic polynomial f (x) =4x ^(2)-8ax+a. the statements (s) ...

    Text Solution

    |

  15. Given a,b, c are three distinct real numbers satisfying the inequality...

    Text Solution

    |

  16. Let f (x) =x ^(2) -4x +c AA x in R, where c is a real constant, then w...

    Text Solution

    |

  17. If 0 lt a lt b lt c and the roots alpha, beta of the equation ax ^(2)...

    Text Solution

    |

  18. If satisfies |x-1| + |x-2|+|x-3|gt6, then :

    Text Solution

    |

  19. If both roots of the quadratic equation ax ^(2)+x+b-a =0 are non real ...

    Text Solution

    |

  20. If a,b are two numbers such that a ^(2) +b^(2) =7 and a ^(3) + b^(3) =...

    Text Solution

    |