Results 1 to 3 of 3

Math Help - Some more integrals plz help

  1. #1
    Newbie
    Joined
    Nov 2007
    Posts
    10

    Some more integrals plz help

    sorry I dont know how to use latex yet im going to learn now but I need help if you can.

    Integral from 0 to infinity of (x^3)/(x^2+1)^2 dx

    and

    Integral from 0 to 3 of (1)/(x-1)^1/3 dx
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Global Moderator

    Joined
    Nov 2005
    From
    New York City
    Posts
    10,616
    Thanks
    9
    Quote Originally Posted by poopforbrains View Post
    sorry I dont know how to use latex yet im going to learn now but I need help if you can.

    Integral from 0 to infinity of (x^3)/(x^2+1)^2 dx
    I do not think this converges because numerator is degree three and denominator is degree four. It has to be at least 2 apart in degrees. Are you asking to find its value of to tell if it converges or not. Because if you are asking the latter the answer is it does not converge.
    Follow Math Help Forum on Facebook and Google+

  3. #3
    Newbie
    Joined
    Nov 2007
    Posts
    10
    it just says evalute each of the following integrals
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Contour Integrals (to Evaluate Real Integrals)
    Posted in the Differential Geometry Forum
    Replies: 2
    Last Post: January 17th 2011, 09:23 PM
  2. Replies: 1
    Last Post: December 6th 2009, 07:43 PM
  3. Integrals : 2
    Posted in the Calculus Forum
    Replies: 4
    Last Post: November 24th 2009, 07:40 AM
  4. Integrals and Indefinite Integrals
    Posted in the Calculus Forum
    Replies: 3
    Last Post: November 9th 2009, 04:52 PM
  5. integrals Help please
    Posted in the Calculus Forum
    Replies: 2
    Last Post: May 8th 2008, 06:16 PM

Search Tags


/mathhelpforum @mathhelpforum