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