− ( u v + 1 ) ( u 2 v 4 − 3 u 2 v 3 + 3 u 2 v 2 − u 2 v − u v 4 + 5 u v 3 − 7 u v 2 + 5 u v − u − v 3 + 3 v 2 − 3 v + 1 ) u 3 / 2 v 5 / 2 {\displaystyle -{\frac {(uv+1)\left(u^{2}v^{4}-3u^{2}v^{3}+3u^{2}v^{2}-u^{2}v-uv^{4}+5uv^{3}-7uv^{2}+5uv-u-v^{3}+3v^{2}-3v+1\right)}{u^{3/2}v^{5/2}}}}