Home
Class 12
MATHS
Prove that the function f(x) = tanx-4x i...

Prove that the function f(x) = tanx-4x is strictly decreasing on `(-pi/3,pi/3)`

Promotional Banner

Topper's Solved these Questions

  • APPLICATIONS OF DERIVATIVES

    PRADEEP PUBLICATION|Exercise EXERCISE|502 Videos
  • APPLICATIONS OF INTEGRALS

    PRADEEP PUBLICATION|Exercise EXERCISE|162 Videos

Similar Questions

Explore conceptually related problems

f(x) = sin x is a strictly decreasing in (pi/2,pi)

Show that the function f(x) = (sin3x) is strict decreasing on (0, pi/2)

f(x) = cos x is strictly decreasing in (0, pi)

Prove that the function f(X) = cosx is strictly decreasing (0,pi) and strictly increasing on (pi,2pi)

Prove that the function f given by f(x) = log sin x is strictly increasing on (0,pi/(2)) and strictly decreasing on (pi/(2),pi) .

True or False statements: The function f(x) = 1/3 x^3 - x is strictly decreasing on (-1,1)

f(x) = cos x is strictly increasing in (pi,2pi)

f(x) = sin x is a strictly increasing in (0, pi/2)

Prove that the function f given by f (x) = log(sin x) is strictly increasing on (0,pi/2) strictly decreasing on (pi/2 , pi)

Prove that the function f given by f (x) = log (cos x) is strictly decreasing on (0,pi/2)

PRADEEP PUBLICATION-APPLICATIONS OF DERIVATIVES-EXERCISE
  1. A particle is moving in a straight line such that its displacement s a...

    Text Solution

    |

  2. The rate of change of the volume of a sphere w.r.t. its surface area, ...

    Text Solution

    |

  3. Prove that the function f(x) = tanx-4x is strictly decreasing on (-pi/...

    Text Solution

    |

  4. Find the interval in which the function f(X) = x^4 - (4x^3)/(3) is str...

    Text Solution

    |

  5. Show that the function f given by f(x) = tan^-1(sinx+cosx), x>0 is alw...

    Text Solution

    |

  6. State whether the function f(x) = x^3 is increasing or decreasing.

    Text Solution

    |

  7. State whether the function f(x) = e^x is increasing or decreasing.

    Text Solution

    |

  8. Is the function y = cot x decreasing on the interval (0,pi)?

    Text Solution

    |

  9. Find the interval of increase of the function f(x) = tan^-1 x.

    Text Solution

    |

  10. Find the interval of decrease of the function f(X) = sin x - 2x

    Text Solution

    |

  11. Find the interval of increase of the function f(x) = 3x + cos x

    Text Solution

    |

  12. Find the slope of the tangent to the curve y = 3x^2 at the point (1/6,...

    Text Solution

    |

  13. For the curve y = 5x - 2x^3, if x increases at te rate of 2units/s, th...

    Text Solution

    |

  14. Find the slope of the normal to the curve y = x^3 at the point whose a...

    Text Solution

    |

  15. At what point on the curve y = x^2 - 2x, the tangent is parallel to x-...

    Text Solution

    |

  16. At what point on the curve y = 2x^2 - 4x + 3, the normal is parallel t...

    Text Solution

    |

  17. Find the slope of the normal to the curve y = 1/x at the point (1/3,3...

    Text Solution

    |

  18. Find the equation of the tangent to the curve y = x^2 - x + 2 where it...

    Text Solution

    |

  19. Find the change in the value of y=x^2 when x = 10 and Deltax = 0.01

    Text Solution

    |

  20. Find the approximate volume of metal in a hollow spherical shel, whose...

    Text Solution

    |