V=H\mathrm{V}= \mathrm{H}V=H
V=3H\mathrm{V}=\sqrt{3} \mathrm{H}V=3H
V=1/3H\mathrm{V}=1/\sqrt{3} \mathrm{H}V=1/3H
V=3/2H\mathrm{V}=\sqrt{3} / 2 \mathrm{H}V=3/2H