a== ( 220) 



I25=:o, 22527 

 l^ — c^ 05823 

 1© — o, 01913 

 |(£~ 0,00714 

 ^^ rrr o, 00254 

 ^ © z= o, 001 18 

 I ip r^ o, 00051 



9 .3 — o, 00022 

 Reliqui — o, 0001 S 



Summa o, 31470 



Cum igitur fit 



I 35 -i- I € -i- ^ © 4- etc. r= 0, 3 1 470 , 

 erit 



K^ ^-2'^-|-^4-+-etc.) — CiH-!-+-f-t-ctc.) = o, 31470? 



qua^ tamen differentia non impedit quo minus aequaies dica- 

 mus quantitates infinitas: 



/(i -M-+-f H-4'-MH-| + etc.) et 



l-^-f-hl-i-j-h- II -^ is -f- ctc. 



ARTICVLVS IIT. 



§. 21. Supra §. 14. ad hanc pcrdudi fuimus fumma- 

 tionem : 



-i--f- — 4- — -f-^4- etc. = i —l 2, 



2. 3 4. 5 6. ? ' S. » ' 



quae feries refpeflu legis cuidcntinimae, qua progrcditur, liaud 

 minus mcmorabilis eft ac ilia fcries quam Eulerus olim dedit 

 (g) fcilicct: 



X 



8 



;i _|_ 



(g) Couuucut. Ac. Iinp. Sc. Pctrop. Toin. IX. pag. 163. 



