(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

indefinite integral: dx/(x*sqrt(9+16x^2))

2. Relevant equations

Trig. Substitutions or parts??

3. The attempt at a solution

I tried using integration by parts but its got pretty messy....it also resembles a tan trig substitution, but it's within a square root. I'm stumped and can't figure out where to start....

Can anyone help?

Thanks!

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# Tricky integral

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