Home
Class 12
MATHS
The least positive integral value of 'k'...

The least positive integral value of `'k'` for which there exists at least one line that the tangent to the graph of the curve `y=x^(3)-kx` at one point and normal to the graph at another point is

Text Solution

Verified by Experts

The correct Answer is:
12
Promotional Banner

Topper's Solved these Questions

  • APPLICATION OF DERIVATIVES

    VK JAISWAL|Exercise EXERCISE (MATCHING TYPE PROBLEMS)|8 Videos
  • AREA UNDER CURVES

    VK JAISWAL|Exercise EXERCISE (SUBJECTIVE TYPE PROBLEMS)|8 Videos

Similar Questions

Explore conceptually related problems

The complete set of value of 'a' for which there exists at least one line that is tangent to the graph of the curve y=x^(3)-ax at one point and normal to the graph at another point is given by

Find the least positive value of k for which the equation x^(2)+kx+4=0 has real roots.

Find the equation of tangent and normal to the curve y =3x^(2) -x +1 at the point (1,3) on it.

Does there exists line/lines which is/are tangent to the curve y=sin x at (x_(1),y_(1)) and normal to the curve at (x_(2),y_(2))?

Equation of the tangent and normal to the curve y=x^(3)-3x^(2)-x+5 at the point x=3 on it are respectively

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

If the tangent at the point (p,q) to the curve x^(3)+y^(2)=k meets the curve again at the point (a,b), then

The set of real values of 'a' for which at least one tangent to y^(2)=4ax becomes normal to the circle x^(2)+y^(2)-2ax-4ay+3a^(2)-0, is

Find the value of k for which the point (1,-2) lies on the graph of the linear equation x-2y+k=0

The tangents to the curve y=(x-2)^(2)-1 at its points of intersection with the line x-y=3, intersect at the point:

VK JAISWAL-APPLICATION OF DERIVATIVES -EXERCISE (SUBJECTIVE TYPE PROBLEMS)
  1. If f (x)= (px)/(e ^(x)) - (x ^(2))/(2) + x is a decreasing function f...

    Text Solution

    |

  2. Let f (x)= {{:( xe ^(ax)"," , x le 0),( x+ ax ^(2)-x ^(3)"," , x gt 0)...

    Text Solution

    |

  3. Find sum of all possible values of the real parameter 'b' is the diffe...

    Text Solution

    |

  4. Let 'theta' be the angle in radians between the curves (x ^(2))/(36) +...

    Text Solution

    |

  5. Let set of all possible values of lamda such that f (x)= e ^(2x) - (la...

    Text Solution

    |

  6. Let a,b,c and d be non-negative real number such that a ^(5)+b^(5) le ...

    Text Solution

    |

  7. There is a point (p,q) on the graph of f(x)=x^2 and a point (r , s) on...

    Text Solution

    |

  8. f (x)= max |2 sin y-x| where y in R then determine the minimum value o...

    Text Solution

    |

  9. Let f (x) = int (0)^(x) ((a -1) (t ^(2)+t+1)^(2) -(a+1)(t^(4)+t ^(2) +...

    Text Solution

    |

  10. The numbr of real roots of the equation x ^(2013)+ e ^(20144x) =0 is

    Text Solution

    |

  11. Let the maximum value of expression y= (x ^(4)-x ^(2))/(x ^(6) + 2x ^(...

    Text Solution

    |

  12. The least positive integral value of 'k' for which there exists at lea...

    Text Solution

    |

  13. Let f (x) =x ^(2) +2x -t ^(2) and f(x)=0 has two root alpha (t ) and b...

    Text Solution

    |

  14. A tank contains 100 litres of fresh water. A solution containing 1 gm/...

    Text Solution

    |

  15. If f (x) is continous and differentiable in [3,9) and f'(x) in [-2,8] ...

    Text Solution

    |

  16. It is given that f 9x) is difined on R satisfyinf f (1)=1 and for AA ...

    Text Solution

    |

  17. The number of normals to the curve 3y ^(3) =4x which passes through th...

    Text Solution

    |

  18. Find the number of real root (s) of the equation ae ^(x) =1+ x + (x ^(...

    Text Solution

    |

  19. Let f (x) = ax+cos 2x +sin x+ cos x is defined for AA x in R and a in...

    Text Solution

    |

  20. If p (1) and p(2) are the lengths of the perpendiculars from origin on...

    Text Solution

    |