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