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