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