Answer
$\frac{1}{5}\cdot\ln{x}$
Work Step by Step
Use the rule $\sqrt[n]{a} = a^{\frac{1}{n}}$ to obtain:
$=\ln{(x^{\frac{1}{5}})}$
RECALL:
The power rule for logarithms states:
$\ln{(b^c)}=c \cdot \ln{b}$
Use the rule above to obtain:
$=\frac{1}{5}\cdot\ln{x}$