April 13th, 2010, 01:10 PM  #1 
Newbie Joined: Jan 2010 Posts: 13 Thanks: 0  improper integral
[1,inf] (x^2+2x+5)/(x^3+x+1) dx [0,1] (e^x)/sqrt(x) dx I know both of them have to do with the pintegral but I am not sure how to can break them down algebraically so they can be solve just the form like (1/x)^p 
April 13th, 2010, 04:37 PM  #2  
Global Moderator Joined: May 2007 Posts: 6,398 Thanks: 546  Re: improper integral Quote:
For the second integral, let u=sqrt(x) and see what you get.  

Tags 
improper, integral 
Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Improper integral with e  unwisetome3  Calculus  2  April 8th, 2013 11:45 AM 
Improper integral  jones1234  Calculus  1  December 23rd, 2012 08:51 AM 
improper integral  mathrookie2012  Calculus  7  April 21st, 2012 09:14 PM 
Improper Integral  chapsticks  Calculus  1  February 26th, 2012 12:59 PM 
Improper Integral :(  citbquinn  Calculus  2  March 15th, 2011 11:42 AM 