C V R V A R V M. 83 



modo igitur differentia ifta exprimatur , Tidcainus : 

 quia \alorem ipfiiis q iam inuenimus , pon.ia.us 

 p-\-q — s, 



et cx §. 19 colligimus forc pofito ^ — y—\ 

 n : ^ — n :/)Conit. ^ 



quod integralc manifcftum eft \cl cfTc al^cbraicum , 

 \cl a quadratura circuli hyperbolacue pLHtJcrc. Sit 

 ilUid intcgrale brcuitatis gratia — S; cuius valor 

 pofitc s^a-^-b fiat —I, ct pro conflante dcfi- 

 nienda flatuatur piza et q— b^ ficr quc debet 



i-ontt, — !! : 6—11 ; a H 1^ 1. 



cx quo habebitur : 



arcus Pq- arcu A B = !^il±:-'«i£--t^ y ^ - ^m±^^lP±it y^ 



At confians arbitraria M ctiam ita definiri dcbet , 

 \t pofito pn:a fiat q—b^ quocirca crit : 



M— |j^(2A-|-2B(flf-h6]+C(^a+^^)+2Dtf6(fl+^)+2Eofl^;6) 



-j-(shy^y{A-\-2Ba'hCaa-{-2'Da'-+-Ea')iA-{-2Bb-\-Cbb 



-^2lW-\-Eb'}, 



Hinc ergo cognita conflante hac M , et ex pundo 

 P definito pundo Q, diffcrentia arcuum AB et PQ 

 "vel geometrice \el per quadraturam circuli hyper- 

 bolaeuc alhgnari poteti 



L 2 Coroll. 



