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February 6, 2016
Posted by **kevin** on Thursday, March 19, 2009 at 4:19am.

i know you have to use trig sub but iono how to cancel out some terms...much help is appreciated

- CALCULUS HELP!!! -
**drwls**, Thursday, March 19, 2009 at 1:35pmTry -[sqrt(1+x^2)]/x

You will get two terms when you differentiate that. Arrange them with a common denominator and see what happens.