u 3 v 3 − 3 u 3 v 2 + 2 u 3 v − 2 u 2 v 3 + 7 u 2 v 2 − 7 u 2 v + u 2 + u v 3 − 7 u v 2 + 7 u v − 2 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-2u^{2}v^{3}+7u^{2}v^{2}-7u^{2}v+u^{2}+uv^{3}-7uv^{2}+7uv-2u+2v^{2}-3v+1}{u^{3/2}v^{3/2}}}}
