INTEGRABILITATIS. «03 



Cransformatur noftra fbrmula in hanc 



dp ndpii-^qq^A-ndqix-^pp) 



(l4-/>p)^ ^(i -\-ppfy[i'\-qq') 



_ (y^^^C^-^^y^ + g^i H-y^) )dp-^ndq{x-\-pp) 



q{l ^ppyVi^i ^qq) 

 vel in 



q^nifU -{.q q) / dp_ ■ _ nd q \ 



hinc igitur patet, pro altero multiplicatorc fumi 

 debcre 



tumque fit 



dp I nd q 



du^z-^.-^ 



,_+.f)f^ q-i-ny{i-^qq) 



quae formula eft integrabilis fietque inde 



„ — r dp . r ndq — ^ 



** — ■' i-Hl» f •' 5-+-«V(' -t-9q) 



cx qua vel q per p, vel p per q determinabitur , 

 tum vero quum fit 



— fH-»?, --2L 



inde fit 



V — [P.±JLU . 

 */ — ■ i —pq * 



«ui valor io prima aequatione fubftitutus praebet 



nunc 



