# What is the antiderivative of [ln(ln x)]/x?

$\ln x \cdot \ln \left(\ln x\right) - \ln x$
let lnx = t from there $\frac{1}{x} \cdot \mathrm{dx}$= $\mathrm{dt}$
further integrate ln(t) = $t \cdot \ln t - t$