Answer
$\ln x+1$
Work Step by Step
$u(x)=x,\qquad u^{\prime}(x)=1$
$v(x)=\displaystyle \ln x,\qquad v^{\prime}(x)=\frac{1}{x}$
$f(x)=u(x)v(x)$, so by the Product Rule,
$f^{\prime}(x)=u^{\prime}(x)v(x)+u(x)v^{\prime}(x)$
$=1\displaystyle \cdot\ln x+x\cdot\frac{1}{x}$
$= \ln x+1$