"^Ui } 13 ( ^H*" 



Sit nfzz 1 et « — 5 , erit 



fiue 



32 



8-f- 72 



lo -h 128 



12 -+- et£. 



I 

 — — a -^ 2 



18 



5 -i- 32 



etc. 



2-f- 2. I 



3-i- 2. 4 



4-H- 2 9 



5 -}- 2. i5 



etc. 



III. Euolutio formulae. 



§. 14. Haec ergo formula euanefcit cafibus x—o 

 et Jrm I. Quoniam Tero hinc fit 



dszznx^^ — ^dx — ^n-^- 2) Ar''-+-' «'.v, 



redncatur hoc differentiale ad denominatoreiB ci.-\~^xxj 

 fietque 



, _ w a -y^ - V.v + {n (3-f;;4-2) a) x"" "^ V.v - (;?+g^ (3 .v" -^ V.v. 



a -f- (3 Jf ;ir 



B 3 Hi"c 



