How do I solve this integral? I know it is solvable with a U-substitution, just not really sure .

Question

owikbenstan · Answer

attachment

nnesha · Answer

ew o-o oeeoeo

jtug6 · Answer

lemme try it ^_^ sec

nnesha · Answer

partial fraction ?

owikbenstan · Answer

No this is from a problem designed to be solved by U-Sub

jtug6 · Answer

okay yeah no ew lol that looks crazy difficult haha. are you sure you typed it all out correctly? cause i don't really see any way you can u-sub really. hmmm

nnesha · Answer

that's a screenshot :D

jtug6 · Answer

oh right i should get the helmet LOL. i really dont know though. hmmmm

mathmale · Answer

For the lack of a better start, try letting your subst. be u=x^2.  How would you then write this integral in terms of u?  Even if this u is not helpful, experementation with substitution might bring other, better, subs to mind.

holsteremission · Answer

Something tells me your instructor is messing with you: http://www.wolframalpha.com/input/?i=integrate+(1%2Bx%5E2)%2F((1-x%5E2)sqrt(1%2Bx%5E4))