Home
Class 12
MATHS
Use the function f(x) = x^(1//x), x gt 0...

Use the function `f(x) = x^(1//x), x gt 0` to show that `e^(pi) gt pi^(e)`.

Promotional Banner

Topper's Solved these Questions

  • MATRICES DETERMINANTS PROBABILITY

    USHA PUBLICATION|Exercise EXERCISE|59 Videos
  • PRACTICE PAPER

    USHA PUBLICATION|Exercise PRACTICE PAPER|95 Videos

Similar Questions

Explore conceptually related problems

Find the extreme values of the function f(x)=x^2e^(-x^2) and show that f(x)lee^(-1)AA x in R .

Find the extreme values of the function f(x)=x^2e^(-x^2) and show that f(x)=lee^-1AAx in R .

Show that the function f(x)=a^(x), x in R is injective, where (a gt 0 and a ne 1) .

Show that the function f(x) = cos^(2) x is strictly decreasing on (0, (pi)/(2)) .

Find the interval where the function f(x) = sin x + cos x, x in [0, 2pi] is increasing.

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

Show that the function f(x)=2x-|x| is continuous at x=0 .

USHA PUBLICATION-MODEL QUESTION SET-MODEL QUESTION SET
  1. Find (dy)/(dx), if y=tan^(-1)((cosx)/(1+sinx)).

    Text Solution

    |

  2. Show that the line y = mx + c touches the parabola y^(2) = 4ax if c = ...

    Text Solution

    |

  3. Use the function f(x) = x^(1//x), x gt 0 to show that e^(pi) gt pi^(e)...

    Text Solution

    |

  4. Let f(x)={(absx/x,if xne0),(0,if x=0):} Examine the continuity of f(x)...

    Text Solution

    |

  5. int(1+x^2)/(xsqrt(x^4+1))dx

    Text Solution

    |

  6. Determine the area within the ellipse x^2/a^2+y^2/b^2=1.

    Text Solution

    |

  7. int0^pi(xsinxdx)/(1+cos^2x)

    Text Solution

    |

  8. Evaluate the following integrals int(3sinx+28cosx)/(5sinx+6cosx)dx

    Text Solution

    |

  9. Find the equation of the plane passing through the line (x-8)/3=(y+19)...

    Text Solution

    |

  10. Prove that the sum of the vectors directed from the vertices to the mi...

    Text Solution

    |

  11. If A (1,0,-1), B (-2,4,-2) and C(1,5,10) be the vertices of a triangle...

    Text Solution

    |

  12. Find the image of the point (3,-2,1) in the plane x-y+3z=2.

    Text Solution

    |

  13. Prove the following by vector method. The diagonals of a rhombus are a...

    Text Solution

    |

  14. Prove that intdx/((x-1)^2(x+2))=1/9ln abs((x+2)/(x-1))-1/(3(x-1))+c

    Text Solution

    |

  15. int0^pi((xtanx)/(secx+tanx))dx

    Text Solution

    |

  16. Solve: (1+x^2)dy/dx+2xy-x^3=0

    Text Solution

    |

  17. Find (dy)/(dx) if x=(3at)/(1+t^3), y=(3at^2)/(1+t^3) at t=1/2

    Text Solution

    |

  18. If x cos alpha + y sin alpha = p is a tangent to the curve (x/a)^(n/...

    Text Solution

    |

  19. Prove the following: [[(b+c)^2,a^2,bc],[(c+a)^2,b^2,ca],[(a+b)^2,c^2...

    Text Solution

    |

  20. If A=[(0,1,0),(-1,0,2),(0,0,1)], then show that A^3-A^2+I3=[(2,-1,0),(...

    Text Solution

    |