November 20th, 2015, 03:47 AM  #1 
Newbie Joined: Dec 2013 Posts: 2 Thanks: 0  calculus 
November 20th, 2015, 05:15 AM  #2 
Math Team Joined: Jan 2015 From: Alabama Posts: 3,264 Thanks: 902 
Do you know what $\displaystyle \int 1 dx$ is? What about $\displaystyle \int 1 dx$? Do you know what x+ 1 means? If you do, you should see that $\displaystyle \frac{x+1}{x+ 1}$ is a very simple function! 
November 20th, 2015, 01:55 PM  #3 
Global Moderator Joined: May 2007 Posts: 6,730 Thanks: 689 
It's even simpler when you see that x+1 > 0 for x > 1.


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