quae porro rediici fe patitur ad hanc 



lirtdK ' - f-'/) n nt dt ^i_ qt' dt 



§. 3. lam Iiic obferiiO' vltimi membrfj fi f fpcde- 

 tur Yt conftans, integraie fore aut 



K'^«-l-^OCvlT^— -1(75^7)) aut 



Affnmamus illud effe 



et fumto differentiali nullo habito difcrimine variabilium 

 patebic differentiale illius. parum diffentire ab aequaiione 

 propofita: prodit enim 



Tindt ( ■-4-<7) nn.t dt , _ itt dt ( , -i- i)) __ if d t 



+ ,(„„ + »)(-_, H----^-,) = ., 

 Dabitiir igitur aliquis faiflor, iu quem formula 



du^a Ct integrale aequationis, propurr.a^. Sit ilh ^,, vt 

 Ijitegrale quaeiitiim fit 



T s * 



