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