Jfis I. ilt r zro, & erlt quantitas propofita 



H I 



; « Et quoniaKi area cur^cE . cuius 



abfcifla eft z & ordinata j in totum pcn- 



det ex quadratura circuli, utpote asqualis ; y 



ubi E eft arcus circuli cujus tangens z" — ad 



radium — i^^ ^rca vero curvs cujus abfcifia 

 g — ^ 



cft z & crdinata — - — ; reducitur ad quadra- 



i-fz-f-z* 



turam partim circuli partim hyperbol^e , utpotc 



squalis — hX'og. "/ + fZT^. XD, 



ubi D denctat arcum circuli , cuju7 radius eft 



\/i — i/- (Srtangens f / — z: qu3s idcirco ad folum 

 circulum pertinere non poteft, nifi fuerit hn: o , paret 

 in hoc cafu ponendam efle h z: o , & formam fraftio- 



num , in quas refblvenda efl: ft-atuendam 



i-qz" -j-z'" 



g g 



"fii: itaque ^ — quslibethirumfra-. 



i— /z-f-z= i-:/z4-'z 

 ftionum , & fiimma reiiquarum. 



N Harum 



