− u 2 v 5 − 2 u 2 v 4 + 3 u 2 v 3 − 3 u 2 v 2 + 2 u 2 v + u v 6 − 3 u v 5 + 6 u v 4 − 7 u v 3 + 6 u v 2 − 3 u v + u + 2 v 5 − 3 v 4 + 3 v 3 − 2 v 2 + v u v 3 {\displaystyle -{\frac {u^{2}v^{5}-2u^{2}v^{4}+3u^{2}v^{3}-3u^{2}v^{2}+2u^{2}v+uv^{6}-3uv^{5}+6uv^{4}-7uv^{3}+6uv^{2}-3uv+u+2v^{5}-3v^{4}+3v^{3}-2v^{2}+v}{uv^{3}}}}
