− u 3 v 5 − 2 u 3 v 4 + 2 u 3 v 3 − u 3 v 2 − u 2 v 5 + 5 u 2 v 4 − 8 u 2 v 3 + 7 u 2 v 2 − 2 u 2 v − 2 u v 4 + 7 u v 3 − 8 u v 2 + 5 u v − u − v 3 + 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}-u^{3}v^{2}-u^{2}v^{5}+5u^{2}v^{4}-8u^{2}v^{3}+7u^{2}v^{2}-2u^{2}v-2uv^{4}+7uv^{3}-8uv^{2}+5uv-u-v^{3}+2v^{2}-2v+1}{u^{3/2}v^{5/2}}}}
