ALTIORVM. GRADVrM INTECR. VROMOTA. 27 



^«* 



^f/7 ( ^AT /r «* X^jf-A/^-^^Xjtd^i-h ^/^-"*X;i:jt</x) 



quae reducitur ad hanc formam fimpliciorem : 

 ^-JdxJdxJe-^^^Y.dx. 



exiftente 5(^^— D-|-4Ea-f-ioFa*-i-20 Ga'-{- etc 



lcilicet valor ipfius 5(^'' oritur ex formula g-y^ pofito 

 s~a. 



§. 18. Simili modo vlterius proccdendo patebit qua- 

 ternos foiflores inter fe aequales feu formulae \—X-\-Vz 

 -l-Cjs'-i- etc. fadorem {z-a.)* praebiturum tore hanc 

 integralis partem : 



e^^^^fdxfdx fdxfe -«^ X dx 

 t-HSt^aH-isoa^H-^sHa* H- etc. 



qui denominator ex formula ^7^^ nafcitur ponendo «— a. 

 Superflui:m foret pro pliiribus fa<floribus fimplicibus in- 

 ter (e aequalibus partes integralis , quae ex ipfis conflan- 

 tur hic exhibeie , cum lex , qua hae partes foimantur , pec 

 fe fit manifefta. Ceterum complicatio piurium fignorum inte- 

 gralium in his formulis niiliam inuoluit ditlicultatem , cum 

 fiicilhme ad fimphcia integralia reuocentur, Eft enim 



xJe-^^^^Xdx-fe-^^^^Xxdx 

 jdxfe-^^^^Xdxzz ^ ^ 



xfdxfe-^^dx— 



fdxfdxfe-^^^^Xdx^ 



I. 



A-Y^-«^X^r- zxfe-^Xx dx-^-fe-^^^x xdx 

 1. 2. 



x^Xdx-5xJ-'^y.xdx-^:ixfe-'^Kxxdx-fe~'^Yx'dx 



I. 2. 3- 

 etc. 



