g(R−h)/Rg(R-h) / Rg(R−h)/R
gR2/(R+h)2\mathrm{gR}^{2} /(\mathrm{R}+\mathrm{h})^{2}gR2/(R+h)2
gR/(R+h)\mathrm{gR} /(\mathrm{R}+\mathrm{h})gR/(R+h)
g(R−h)2/R2\mathrm{g}(\mathrm{R}-\mathrm{h})^{2} / \mathrm{R}^{2}g(R−h)2/R2
