Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing

This Question is Closed

appleduardoBest ResponseYou've already chosen the best response.0
so far I have:\[\ln(x ^{2}+1)x\int\limits_{}^{}x*\frac{ 2x }{ x ^{2}+1 } dx\]
 one year ago

.Sam.Best ResponseYou've already chosen the best response.1
Long division for the int. by parts?
 one year ago

appleduardoBest ResponseYou've already chosen the best response.0
uhmm could that work?
 one year ago

satellite73Best ResponseYou've already chosen the best response.3
oh nvm you have that already
 one year ago

.Sam.Best ResponseYou've already chosen the best response.1
\[\ln(x ^{2}+1)x\int\limits\limits_{}^{}2\frac{2}{x^2+1} dx \]
 one year ago

satellite73Best ResponseYou've already chosen the best response.3
\[\frac{x^2}{x^2+1}=\frac{x^2+1}{x^2+1}\frac{1}{x^2+1}=1\frac{1}{x^2+1}\]
 one year ago

satellite73Best ResponseYou've already chosen the best response.3
first integral is obvious, second part is the derivative of arctangent
 one year ago

satellite73Best ResponseYou've already chosen the best response.3
i ignored the 2, @.Sam. has it
 one year ago

satellite73Best ResponseYou've already chosen the best response.3
you could divide too, but i find that gimmick easier than long division
 one year ago

appleduardoBest ResponseYou've already chosen the best response.0
thank you! I'll try and post it when im done :P
 one year ago
See more questions >>>
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.