Express the Following in Terms Of $u$ And $v$ , Where $u=\ln x$

Multiple Choice

Express the following in terms of $u$ and $v$ , where $u=\ln x$ and $v=\ln y$ . For example, $\ln x=3(\ln x) =3 u$ .
- $\ln \left(\frac{\sqrt{x}}{y^{4}}\right)$

A) $4 \ln \mathrm{v}-\frac{\ln \mathrm{u}}{2}$
B) $4 \mathrm{v}-\mathrm{u}$
C) $\frac{u}{2}+4 v$
D) $\frac{u}{2}-4 v$