CALCULUS HELP!!!
posted by kevin .
integrate 1/(x^2sqrt(1+x^2))
i know you have to use trig sub but iono how to cancel out some terms...much help is appreciated

CALCULUS HELP!!! 
drwls
Try [sqrt(1+x^2)]/x
You will get two terms when you differentiate that. Arrange them with a common denominator and see what happens.
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