u 3 v 3 − 2 u 3 v 2 − 2 u 2 v 3 + 4 u 2 v 2 − 3 u 2 v − 3 u v 2 + 4 u v − 2 u − 2 v + 1 u 3 / 2 v 3 / 2 {\displaystyle {\frac {u^{3}v^{3}-2u^{3}v^{2}-2u^{2}v^{3}+4u^{2}v^{2}-3u^{2}v-3uv^{2}+4uv-2u-2v+1}{u^{3/2}v^{3/2}}}}
