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