Del S;g. Dottor Piola 191 



[.,^]=/^(S)|(/-a) 



[d, x]=/,p{S)Uh-c) ■ 



[4, :.] =f^^S)Uf-aY 

 (43) [5, x]=MS):{f-a){g-b) 



[6, x] =f^{S)t{f-a){h-c) 



[7, x] =MS)Ug-bY 



[8, :r] =/^(S)|(g-Z-)(A-c) ^ 



[9, ^] =/V'(S)?(A-c)^ 

 ec. ec. 



per cui le (82) si ripioducono sotto la forma 

 {^, x) = ~-[i, x] 



(a, x)=-j-[2, x] - 

 (3> ^0 = -7-[3: x] 



[S, x) = ^[5, x] 



ec. ec. 



