Initial program 0.0
\[\frac{NdChar}{1 + e^{\frac{-\left(\left(\left(Ec - Vef\right) - EDonor\right) - mu\right)}{KbT}}} + \frac{NaChar}{1 + e^{\frac{\left(\left(Ev + Vef\right) + EAccept\right) + \left(-mu\right)}{KbT}}}\]
- Using strategy
rm Applied add-cube-cbrt0.0
\[\leadsto \frac{NdChar}{1 + e^{\frac{-\left(\left(\left(Ec - Vef\right) - EDonor\right) - mu\right)}{KbT}}} + \frac{NaChar}{1 + e^{\frac{\color{blue}{\left(\sqrt[3]{\left(\left(Ev + Vef\right) + EAccept\right) + \left(-mu\right)} \cdot \sqrt[3]{\left(\left(Ev + Vef\right) + EAccept\right) + \left(-mu\right)}\right) \cdot \sqrt[3]{\left(\left(Ev + Vef\right) + EAccept\right) + \left(-mu\right)}}}{KbT}}}\]
Applied associate-/l*0.0
\[\leadsto \frac{NdChar}{1 + e^{\frac{-\left(\left(\left(Ec - Vef\right) - EDonor\right) - mu\right)}{KbT}}} + \frac{NaChar}{1 + e^{\color{blue}{\frac{\sqrt[3]{\left(\left(Ev + Vef\right) + EAccept\right) + \left(-mu\right)} \cdot \sqrt[3]{\left(\left(Ev + Vef\right) + EAccept\right) + \left(-mu\right)}}{\frac{KbT}{\sqrt[3]{\left(\left(Ev + Vef\right) + EAccept\right) + \left(-mu\right)}}}}}}\]
Simplified0.0
\[\leadsto \frac{NdChar}{1 + e^{\frac{-\left(\left(\left(Ec - Vef\right) - EDonor\right) - mu\right)}{KbT}}} + \frac{NaChar}{1 + e^{\frac{\color{blue}{\sqrt[3]{\left(EAccept - mu\right) + \left(Vef + Ev\right)} \cdot \sqrt[3]{\left(EAccept - mu\right) + \left(Vef + Ev\right)}}}{\frac{KbT}{\sqrt[3]{\left(\left(Ev + Vef\right) + EAccept\right) + \left(-mu\right)}}}}}\]
Final simplification0.0
\[\leadsto \frac{NaChar}{1 + e^{\frac{\sqrt[3]{\left(EAccept - mu\right) + \left(Ev + Vef\right)} \cdot \sqrt[3]{\left(EAccept - mu\right) + \left(Ev + Vef\right)}}{\frac{KbT}{\sqrt[3]{\left(-mu\right) + \left(\left(Ev + Vef\right) + EAccept\right)}}}}} + \frac{NdChar}{e^{-\frac{\left(\left(Ec - Vef\right) - EDonor\right) - mu}{KbT}} + 1}\]