What is the integral of ln(x) equal to?

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- Jul 12th 2012, 08:11 AMKvandesterrenIntegral of ln(x)?
What is the integral of ln(x) equal to?

- Jul 12th 2012, 08:23 AMebainesRe: Integral of ln(x)?
You can derive this through integrating by parts, but the answer is $\displaystyle \int \ln (x)dx = x \ln (x) - x$.

- Jul 12th 2012, 09:49 AMloui1410Re: Integral of ln(x)?
Yes, look at it as $\displaystyle \int 1\cdot \ln(x) dx$ and integrate by parts.