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