== (48) == 

 to y zzi 1 ^ pro piiorc formula 



„n -f- ^ — I „Ti — p — T 



~~ (i-f-jk"-''-;/.^ ' 

 pro podcriore vcro formula repcritur 



J^ ■, 



Sumto autem v " 2 babebimus pro formula priore 



R — " '— -> pro poftcnore vero 



(H-x^";(/a-/ ^ 



R — — . L — liuc 



R 



(I — X*"; (/ .v/ (i — jK-^^j / ;c 



Deindc vero fumto i^ ~ 3, crit pro priore formula 



A-"-^f-' .^n-f-, 2 p Jf"-' /jr 



"~ (T-i-jc^-^^jC^-v/ 



et pro pofteriore formula: 



:. _ Ar"-+-f-' -+- A-"-^-' — /)*A:"-'(/r/ 



(i -H^"; (/-v/ 

 Sumatur porro v — 4, ac repcricmus pro formula priore 



yn-+-f. — I _4. ^n— f — I 2 .v" — ' — /) /) .V'*"*' r/.v/ 



^ — (i-i-;f^-")(/A-/ ' 



pro poftcriorc vcro 



^v''-^f-'-.v«-f-'- zpx^ — nx-\f .v"-' ^/v)' 



-I.: ...; ^-rr,'-T-- (i — :r'"y(/.r/ ^ 



Sumatur porro v m 5 ac habcbimus pro priore formula: 



