§. 15. Verum ifte valor literae j', quia tantum 

 Tnicam conftantcm arbitrariam A inuoluit , tantum pro 

 integrali particulari haberi poteft; interim tamen facilc 

 cft ex hoc ipfo valore particulari integrnle completum e- 

 licere, id quod fcquenti modo praeftabitur. Ponamus effc 



C7=i-^4-ii--ii--f- -Jl~ - — ii h etc. 



' • !,♦ I. 4. 9 1. +.9. 1« 1 25 ' 



ita vt flt 



^.'if + ^3 0, fiue ^AfJL-^^^^^ = o, 



et pro integrali completo inueniendo flatuamus j — vz-y 

 eritqiie 



dy — v dz-\-zdv et ddy-v ddz-\- dv dz — zddv y 

 qui Valores in noftra aequatione euoluta 



fubftituti producenr hanc aequationcm : 



5^, -— r- ^- ^, \-VZ-Oy 



a qua fi prior aequatio 



liL^JP -4- ll' -u -i? .1^ 



ds-- ' d; ' 



per z multiplicata fubtrahatur, relinqnetur ilin; 



srddz-^-ssdiid^ i.i^d2 — 



cx qua ftatim elicimus 



dds 'di; dj^ 



d z 



cuius integrale eft 



/d^ — — 2/'i'-/.f4-^B, flU8 



^^=.,^^rita vtfit^zzD/^^l+E. 



