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April 2, 2015

April 2, 2015

Posted by **Anonymous** on Friday, November 30, 2012 at 8:32pm.

- Calculus -
**Anonymous**, Friday, November 30, 2012 at 8:36pmcorrection: use the substitution x=3tan(theta)

- Calculus -
**Steve**, Saturday, December 1, 2012 at 12:18amso, try it. where do you get stuck?

- Calculus -
**Anonymous**, Saturday, December 1, 2012 at 12:30amI'm not sure if this is right but after substituting and simplifying I get to:

integral (93/9tan^2theta*3sectheta)*3sec^2theta dtheta

- Calculus -
**Jason**, Saturday, December 1, 2012 at 1:47amIt took me your trig substitution followed by a u substitution to get 93squrt(x^2+9)/9x+C

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