Rieš v \( \mathbb{R} \) rovnicu:
\( \log _{e} x=\log _{e} 0,5-\ln 4 \)
\( K=\left\{\frac{1}{16}\right\} \)
\( K=\left\{\frac{1}{2}\right\} \)
\( K=\left\{\frac{1}{8}\right\} \)
\( K=\left\{\frac{1}{4}\right\} \)