( w − 1 ) ( x − 1 ) ( 2 u v x − u v + u x 2 − 3 u x + u + v x 2 − 3 v x + v − x 2 + 2 x ) u v w x 3 / 2 {\displaystyle {\frac {(w-1)(x-1)\left(2uvx-uv+ux^{2}-3ux+u+vx^{2}-3vx+v-x^{2}+2x\right)}{{\sqrt {u}}{\sqrt {v}}{\sqrt {w}}x^{3/2}}}}
