ovm^sD. CALcvLriNTEGk.ms:- ist- 



artificio M. BernouUi}, vid. Comin:ritar. Acad. fdeia. 

 Imp. Vetrop. tomo I, p. 169, variabiles , hic inter fe 

 permixtiis, tenet fepanibiles; qiiam methodiim mngis ad' 

 iwc vniucrlalem reddidlt Il/ujlr. Dom. Goldbach, 1. c. 

 p^ 207. Qiiod cum prirao intuitu non appareret, ten-. 

 taui ab initio ^ -j- i-.v -h fj — ;<"• , h-i-ey-^-g^x—t^u^^ 

 et deprehendi tum demum , homogeneitatem aequationi 

 proporitiie conciliari pofle, fi fiant mzri^ n^i, r-O. 

 Ifl hac itaque aequatione homogenea fubftituatur ^u pro 

 fj et fada diuifione per u obtinebitur, 



/A> ^ — ik^Az.iA^^ — 



Pbn;Mitur porro -v^ (^ — a — y, e — a — X , zz: jf/~ ; « c 

 -(3>i=:p. rr/^!.-, ; et habcbitur 4" —f^^^^z^.: 

 Vt iam demum appareat, quomodo ppfterius hoc mem- 

 brum a logarithmis dcpendeat, ppnatur ■^■^—^----^, 

 -4- B^-^ , eruentur fic, ex debita comparatione, A--4- 



atque erit fic integrando, lu — C/ (A -\- v) — E/(B-u% 

 et horum log-morum fumendo quantitates abfoluta* j^ 

 denique 



u — ^?~^'' . 



omi(fi adhuc ,adiicienda conftante indetcrminataa 



li 3. §.. %ol- 



