Home
Class 12
MATHS
Write True/False: If f'( c ) does not e...

Write True/False:
If f'( c ) does not exist and f'(x) changes from positive to negative as x increases through c, then f(x) has a local minimum at x=c.

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • DETERMINANTS

    MAHAVEER PUBLICATION|Exercise QUESTION BANK|51 Videos
  • FUNCTION

    MAHAVEER PUBLICATION|Exercise QUESTION BANK|115 Videos

Similar Questions

Explore conceptually related problems

If (dy)/(dx) changes the sign from negative to positive as x increase through C, then the function attains

Write True/False: If f'( c ) exists and f'( c )gt0 , then f(x) has a local minimum at x=c.

Write True/False: If f'( c )=0 then f(x) has a local maximum or a local minimum at x=c

Write True/False: If f(x) has an absolute maximum at x=c, then f'( c )=0

Let f(x)=ax^(2)+bx+c, if a>0 then f(x) has minimum value at x=

If f'(x) changes from positive to negative at x_(0) while moving from left to right, i.e. f'(x)gt0,xltx_(0) f'(x)lt0,xgtx_(0), then f(x)has local maximum value at x=x_(0)

True or False If f:R rarr R and c in R is such that f is increasing in (c-delta,c) and f is decreasing in (c,c+delta) then f has a local maximum at c.Where delta is a sufficiently small positive quantity.

let f(x)=(x^(2)-1)^(n)(x^(2)+x-1) then f(x) has local minimum at x=1 when

MAHAVEER PUBLICATION-DIFFERENTIATION OR DERIVATIVE OF A FUNCTION-QUESTION BANK
  1. If f'(x)=1/(3-x)^2, the equation of the tangent line to f(x) at (0, 1/...

    Text Solution

    |

  2. Write True/False: All critical points of f(x) satisfy f'(x)=0

    Text Solution

    |

  3. Write True/False: If f'( c ) does not exist and f'(x) changes from po...

    Text Solution

    |

  4. Write True/False: If f'( c ) exists and f'( c )gt0, then f(x) has a l...

    Text Solution

    |

  5. Write True/False: If f(x) has an absolute maximum at x=c, then f'( c ...

    Text Solution

    |

  6. Write True/False: If f'( c )=0 then f(x) has a local maximum or a loc...

    Text Solution

    |

  7. Let y=f(x) and z=g(x) be two curves. Then the tangents drawn to curves...

    Text Solution

    |

  8. Given, f(x)=x^3-5x+2. Then f'(2) equals

    Text Solution

    |

  9. d/dx(sinx^2)=?

    Text Solution

    |

  10. Differentiate ax^2+b

    Text Solution

    |

  11. d/dx[(x+1)^3/x]=?

    Text Solution

    |

  12. The derivative of y=|x-2| at x=2 is

    Text Solution

    |

  13. Given the polar equation r=1. find dy/dx.

    Text Solution

    |

  14. The slope of the normal to the curve y=2x^(2)+3sin x at x=0 is :

    Text Solution

    |

  15. The line y=x+1 is a tangent to the curve y^(2)=4x at the point:

    Text Solution

    |

  16. The slope of the tangent line to the curve y=x^3-2x+1 at x=1 is

    Text Solution

    |

  17. Find the slope of the line whose parametric equations are x=4t+6 and y...

    Text Solution

    |

  18. The slope of the tangent line to the curve x+y=xy at the point (2,2) i...

    Text Solution

    |

  19. Find the coordinates of the vertex of the parabola y=x^2-4x+1 by makin...

    Text Solution

    |

  20. Find the point in the parabola y^2=4x at which the rate of change of t...

    Text Solution

    |