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