− u 3 v 5 − 2 u 3 v 4 + 2 u 3 v 3 + 2 u 2 v 4 − 3 u 2 v 3 + 2 u 2 v 2 + 2 u v 3 − 3 u v 2 + 2 u v + 2 v 2 − 2 v + 1 u 3 / 2 v 5 / 2 {\displaystyle -{\frac {u^{3}v^{5}-2u^{3}v^{4}+2u^{3}v^{3}+2u^{2}v^{4}-3u^{2}v^{3}+2u^{2}v^{2}+2uv^{3}-3uv^{2}+2uv+2v^{2}-2v+1}{u^{3/2}v^{5/2}}}}