integral with nested roots

NateTG

Something about
[tex]\frac{2x}{1+x^2}}[/tex]
Makes me think trig substitution. Not that it's necessarily a good idea...
[tex]x=\tanh(\theta)[/tex]

NateTG Recognitions: Homework Help Science Advisor	Something about [tex]\frac{2x}{1+x^2}}[/tex] Makes me think trig substitution. Not that it's necessarily a good idea... [tex]x=\tanh(\theta)[/tex]