'» • _ 



/d - ^, _ /:I J p\ y^ , /i _ d p -+- p d v \ r I 



-1- p «7 _ T /y -f- q v v T l " . . . . 



, iddjK yi . ... a- (!____i+__i!___l r'' 



quae formula quia pofito ffzz _g c z iterum aequaiis es- 

 (e debel huic: 



puuT" quu r 1 ' 1 



habebimns fequentes aequationes: 



I. (^)-O. 11. 2 WH^Hg)-_o. 



III. p V V + ^A±zrRA± ~fu U. IV. q V v - qu u 



ex quarum prima ftatim colligitur p ~ ax-fj3, ex quar- 

 ta vero uuzzvv, qui valores in binis reliquis fiibftkuti 

 dabunt 



II. 2olv dx 4- („ x -f- (3) d v -+- d Jn __ o. 



III. (ax + (3)^ + _L_i.-jx£>^ (aiV(3J"iV f "' 

 vnde flt zvdq~\~qdvzzo, hincque q q v zz y , ideo- 

 que y__^- ? qui vaIo*r in fecunda fubftitutus piacbec 



_ !_____ - (« * - j - (3 ) . ~ 4 _i d J^ _ 



q q q z ~^ ax ' 



fiue 



2uyqdx—2y(ax-t-p)dq-\- -~~- zz o. 



§. 30. Quo hr';ec aequatio fimplicior reddatur, re. 

 tineamus in calculo literam p — a x -f (3, vt &t dxzz- p 

 et pofbema aequatio hanc induet formam: 



_y q d p — zyp d q + ____-_L — o, 



cui facile intelligitur fatisfieri poffe, dum q certae potefta- 

 ti ipfius p aequatur. Ponatur igitur #__,_-% erit 



