\(\dfrac{N_D}{1+2\exp\left[(E_F-E_D)/KT\right]}\)

\(\dfrac{N_D}{1-2\exp\left[(E_F-E_D)/KT\right]}\)

\(\dfrac{N_D}{1+\exp\left[(E_F-E_D)/KT\right]}\)

\(\dfrac{N_D}{1-\exp\left[(E_F-E_D)/KT\right]}\)

\(\begin{bmatrix}\dfrac{1}{R_1} & \dfrac{1}{R_1}\\[4pt] \dfrac{1}{R_1} & \dfrac{1}{R_1}\end{bmatrix}\)

\(\begin{bmatrix}0 & \dfrac{1}{R_1}\\[4pt] \dfrac{1}{R_1} & \dfrac{1}{R_1}\end{bmatrix}\)

\(\begin{bmatrix}\dfrac{1}{R_1} & 0\\[4pt] 0 & 0\end{bmatrix}\)

\(\begin{bmatrix}\dfrac{1}{R_1} & 0\\[4pt] 0 & \dfrac{1}{R_1}\end{bmatrix}\)