ftjo DE MOTV 



denotantc k conflantem integratione ingrcfliim , liaec- 

 que aequatio inuoluit conkruationem virium \iuarum. 



§. 2 1. Quia teofio fili T nondum coalbt, cam 

 ex noftris aequationibus climinemus, \bi 



l"" fin. 3- - 11'^" cof. 3- pracbct 



idxfin.^ — ddycof.^ - ^ 



vt autem infuper aliam aequationcm a tenrionc fili 

 liberam obtineamus , euoluamus hanc combinationem 



r* fin. (p- li''*' cof. (p vndc fit 



idxfm.(J>-ddycoS:!D __ fj„ (b _ 1 fin. ((t) - ^) 



cum nnnc ex tertia acquatione fit 



haec ab illa in b ducfla , fubtraifla reHnqnct 



bdd xfm. t) — b d dy co !.J> — c cd i (^ h Cm (h 



a gd l^ ' * T 



in quibus duabus aequationibus intcgralis ante !n- 

 yenta iam continetur. 



r 



. , , f. 4 2. Eliminemus autem infnper littcras x 



e* /j vt binos tantum angulos variabjles 3- ct Cp cum 



tempore / in calculum iutroducamus et cum fit 



dx--adB-Cir\.^-bd(pCu).(p ct djz:zadBco{.S- + bd<pcoi.(^ cvlt 



ddx — -addBCm.3--adB\oCB-bdd(pCw.(p-bd(p\oC(Pct 



i^dj—addBcolB-adB^-Cm.B-hbdd^pcoC.^P-bd^P^Cin.^p 



Tnde colligitur fore 

 idxCin.B-ddycoCB--add'^-bdd(pcoC((p-B)-\-bd(^)'Cin.{(p-^) 

 (idxfin.(p-ddjcol.(p--addBcoCi(p-ByadB'Cin.i<p-Bybdd(p 



- uriJii his 



