VNICAM J-ARUBJLEM imVLVENTES. 45 



\el ciim fit p—r-\-s] et q—fs erit vt fequitiir 



— (X — r-^s-OL 



— C = /■ ' -H>* ' -f -\-rss-\-s '- a(/r-i-rj-hJj)-Hf3(r-i-j)-y 

 His valoribus fubftitutis prodibit denominator 



r rr ' r^ r+ ' r* 



aequalis huic exprenioni pro n dimenfionibus 



n , (n-i)s (n-.)S5 (n-0£l . (jwlf! _, „.^ 



-F (=r-i-^-V-=^'-V^-H-etc. 

 -f-r^«(T'-l-'-^^'--H'-^3^-i-etc.) 



rM r -T-TF -T- etC. 



etc. 

 quae feries , cum fint omnes fiimmabiles , habebitur 



i**^' . . j" 



((»-a)r-(«-i)j-}-^,^- etc^ 



f 39- Quoniam autem i-\-px-{-qxx euanefcit pofi- 

 to loco X vel — ^ vel — f , eaqnc ipfa quantitas eft diui- 

 for denominatoris i-{-ax-{-^x'' -{-yx* -{- etc. erit 

 quoque pofito pro .v vel — j. vel — J 



01:1: 1 — ' f -}- ;7 — fj-hf* — etc. 



o— I - r-^-M - n-^-r* — etc. 

 Hinc itaque erit 



F 3 i«-^» 



