Keywords: Natural logarithm integral.svg natural logarithm expressed as integral of 1/x Log-pole-x svg 2010-07-25 18 25 UTC Log-pole-x svg Wojciech Muła derivative work Jakob scholbach <span class signature-talk >talk</span> natural logarithm product formula proven geometrically svg changed the notation a bit Jakob scholbach Log-pole-x svg Hyperbola rational function Logarithm |