DIFFERENTia^DlFFERENTIALK. 14$ 

 Fto tentio e(t 



Tndc haec fbrmura 



s 3- I i_ V(&6(a-f.ie)'— .16 aabg) 

 "" 4 -r ?; -n^ T^. '^ ^ 



numerus integer efl& deberer,. 

 Pro quarto eife 



4<j-^^::z^^ et y(ib--ej-^bg)-±^l 

 fndfe baec fbrmula 



» 11: I — V((a — c)"— ♦oj^, 



mimerus integer eflb deberet. 



Vnde perfpicitur hos quatuor cafus in fuperiori con^ 

 ditione non contineri , ideoque hinc omnino nouos. 

 cafus- integrabilitatis erui.. 



XX. CUm igitur hi cafus , quibus integrale 

 completum eruimus, omnino difcrepent ab iis , qui- 

 bus fupra imegrale particulare exhibuimus , iuuabit 

 oftendifle , quomodo etiam his cafibus integrale com- 

 pletum obtineri poflit 5 q\iod fequenti modo facillir 

 me praeftari -videtur. 

 Si aequationi 



V ddz^ Q^dxdz-^ R z dx" zz a 

 fatisfaciat yalor 2; =: V , "vt fit 



VddV -\- Q^dxdT^ R Ydx^=: Oy 

 illa.aequatio reddetur iutegrabilisi du<3;a in- ^^^^^_^ 



Pofltai 



