(7+) 



qnanim frte?rario nulla ainplius Liborat diiTiCultatc, .Y;i(it}',,hoc. 

 kbore nicrito liipcricdcniiis. — ••' •- -^r* 



III. Cafiis 



'■"' §. 8. Hic itjitur crit 



/>/>-Ky9=:i-f-(aa-i-2f3)c't'-+-(f5(3-HCiay)'y*-4-WV* ei: 

 pq = av -f- (a p--^ y) <v' -\- ft ^ .^•^:i.i^Aji bii \ :: 

 vndc conficitiir . , , , 



pp-^qq — z p q V - 1 -i- {aa-+-' 2 p — zajVV 



-f-(/3f3-»-2ay-^2a(3— 2 y)v*-+:(yy— 2(3^)1*, , 

 quae quantitas acquari dcbct i -^ (^ ff -^<j,).VjV: Hic igitur pri- 

 mo potcftas ,4;* .toUi dcbct, quod fit poncn^o.y y— 2 (3 y = o, 

 idcoquc y = 2 (3; dcinde \'eio etiam potcfl.atcm' quartam tolli 

 oportct , vndc fit >■ '. 



(^p-f-^ay — 2a/3 — 2y— o, fiue 

 (3(3-|-2a(3 — 4 p =:X)i,i3coqnc 

 (3 r!r 4 — ^2a'ct y ^ 8 — '4 o, 

 ^^'^'Vcro cocfficTcns ipfius 'i' i? crit 



a a -}- 2 (3 — 2 a =: a a -t- 8 — ^ a 

 qncm acquari oporfet ipfi ;;;;— i, vndc colligitur a — 3 =z w, 

 liuc a m: ;; H- 3 , tum "vcro . 



p^,,-^,2j(;;-:V-i) ct y — — ^(«-f-O- 



§. 9. His igitur valoribns inucntis noflrae formulac 

 intcgrandac erunt 



» » 1 I • n i • 



•i:up qua- 



