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