− u v w 2 + u v w + u w 3 − 2 u w 2 + 2 v w − v − w 2 + w u v w 3 / 2 {\displaystyle {\frac {-uvw^{2}+uvw+uw^{3}-2uw^{2}+2vw-v-w^{2}+w}{{\sqrt {u}}{\sqrt {v}}w^{3/2}}}}
