fiue 



n_i 2 n— s 



ouod qiiomodo eueniat fequentibus cafibus examinemus: 



I. Sit n— 1-, hincque a— i, (3r:ro, y~o, etc. vnde 



noftra feries erit i—izz'^-^ at vero noftrum pro- 

 dudum erit zz \. 



II. Sit ?i'sz 1, erit ania; p— 15 7 — 0-, etc. vnde 

 nonra feries prodit — i —\ -^ ];\zz:\\ at vero pro- 

 dudum noftrum euadit — |. 



III. Sit n — 3, ideoque a^:^; p=:3; y^i; (5' — o 

 etc. vnde feries prodit — i — s -f-^^f •" Tfri, — 5'«* 

 at vero produdum noftrum euadit — /5 . 



IV. Sit «=4, ideoque azz^; ^-6\ 71:4; 5:;i-, 

 e — o ; etc. vnde feries erit 



1-^4 + ^6-^.4-1-^.11:=^, 

 produ(ftum autem noftrum erit 



Explicatio 

 pro cafibus, quibus ambo e^^onentes 

 funt numcri fradli. 



§. 14. Sufficiat hic folum cafum euoluifle , quo 

 nzz\ ct n*zz — \. Hic igitur pro n~\ feries vncia- 

 lum erit: 



verum pro cxponente n*zz — l feries vnciarum ewt: 



Ez 



