2 u v w − 2 u v − 2 u w + 3 u − 3 v w + 2 v + 2 w − 2 u v w {\displaystyle {\frac {2uvw-2uv-2uw+3u-3vw+2v+2w-2}{{\sqrt {u}}{\sqrt {v}}{\sqrt {w}}}}}