Hallo,
\( U=\frac{1}{2} \ln \left(\frac{0,5}{2} I^{H}\right)+\frac{1}{2} \ln \left(\frac{0,5}{2} I^{H}\right) \)
\( U=\frac{1}{2}\left[\ln \left(0,25 \cdot I^{H}\right)+\ln \left(0,25 \cdot I^{H}\right)\right. \)]
\( U=\frac{1}{2}\left[\ln \left(\left(0,25 I^{H}\right) \cdot\left(0,25 \cdot I^{H}\right)\right)\right] \)
\( U=\frac{1}{2}\left[\ln \left(0,25 I^{H}\right)^{2}\right] \)
\( U=\frac{1}{2} \cdot 2 \ln \left(0,25 \cdot I^{H}\right) \)
\( U=\ln \left(0,25 \cdot I^{H}\right) \)
\( e^{U}=0,25 I^{H} \)
\( \frac{e^{U}}{0,25}=I^{H} \)
\( \begin{aligned} 4 e^{U} &=I^{H} \\ I &=\left(4 \cdot e^{U}\right)^ \frac{1}{H} \end{aligned} \)