VROVRIETATE GAVDENJIVM. 



^ii 



qn.intitates iftiie accipicnt fcquentia incrcmenta , pofito 

 brcuitatis gratia q—-af. 



n I 



ds^z-dq.b^-q.cy 



ir 

 dj=:-CY 



ir 

 dxzrzo 



Jp=^,l 



§.23. Sit iam propofita foriniila /Q^v, quac tel 

 communis vel maxima minimaue efle debeat, ideoqua 

 aequaliter expreffi tam pro elementis abcd quam a^Syd; 

 fit autem Q_ fundio quaecunque ipfarum .v, j, / et j> 

 pofito dyzz.pdx\ ita vt ^Q^ habiturum fit huiusmodi 

 formam Lds-\-fAdj-\-Ndx-\-\ dp. Elementis au- 



I ri 



tem abcd rcfpondebit ifte yxlor QJx-^-QJx-^-QJx^ 



q\\\ fecundum translationcm punftorum ^ et f in g et y 



I I I II II u 



diffcrentiatus difFcrcntiahbus ipfarum s,j,p., -^tjip-, -S Jr^ 

 lumtis vti efl: praeceptum , dabit fequens difFertntiale. 



dQdx-Y.bt 



d(ldx = Lqdx.b^-\-Mdx.b^-Y.b^-V.CY 



II II II I II n 



di^dx ■=z — Ldxdq.b^ — Lq dx. c y — M dx. ^ y H- V. ^y 



quod pofitum rzro dat 



II 



11 r 



ir 



{-dS-^-Lqdx^yidx-LdxdqJj^^i-dY-^-LqdxArlAdx^cy 

 Tom. VIII. 2 Erit 



