*W8 ) 10 8 ( H#* 



pofftt, vnde fine vllo dubio certus motus fequetur, fcuius 

 determinatio merito poftulari poteft. 



Gafus fecundus. 



quo affumitur p — Y (X x .-+- |ji). 



ergo 



§. io. Hinc igitur erit 



Y r dx — r d x — i/Xx-4-)ui.! Af .A i/.Xff-4-H 



A — 'fi — 7 x7^ii — *' ^r - et A ~ *-' T"» 

 X /itofci*- 



f "~ ~~ 

 Tum vero pro craffitie inuenienda , ob 



p zzz V (A. x + p) et lp — \1{\x.-+-il) 3 erit 





p d x 



X jr -4- jx ' 







ae 



den uo differentiando 









d dp 



dp x ,_ 



— 



|XX 





p dx* 



pp d x 1 



(X* 



■£$ 



Eft 



vero 



_ ?**« 







ppd x* (Xjf-r-jjL)* 

 •x quo colligitur 



ddp _ -'X X jjJ 

 pdx z " (Xx^-~]x) iy 

 hinc igitur oritur crafllties 



Pona- 



