9

[Δ_{1} + Δ_{2} + (2 m / ℏ^{2}) (E + Z e^{2} / r_{1} + Z e^{2} / r_{2} - e^{2} / r_{12}] ψ = 0

${[\Delta_1 + \Delta_2 + (2m/\hbar^2)(E + Ze^2/r_1 + Ze^2/r_2 – e^2/r_{12}]\psi = 0}$

Error