J.O Desuccessiva MiX T ATI one 



cof. -^ d. (v v d q> fin. a) — v v d $ fin. a. d \ fin. 4 rsi 



— *Cvdt>cof.Qfin. I fin. a, (j-, — 4j J 



fin. 4 d.{v v d $ fin. a) ■+■ v v d § fin. a. d\ cof. 4 = 



— * Cvdt- fin.bfin.lfin.u \^— -~J \ 



ilia per fin. 4 ha?c vero per — cof. 4 muhiplicata eoa- 



junfte proJucent 



— v v d <p d 4 fin. a = a. C v d t z fin. % fin. a fin.. 



qua: per — v fin. & dat 



v dqd\ = — a.Cdt^fin. I fin. (0 — 4) \Ji~-~X > 



ita uc hinc elementum </4 P ro temporis elemento dt 

 determinetur 



, . _ .C^'^.I^,( 8 --H /"_« _ _i_\ 



onde fimul colligicur d% = dq> — d-^cof.a, atque 



d^cof.^ftn." cLCdl'cof.%fin.toJin.(i — -{•)/« I \ 



XXV. 



Sin antem earumdem binarnm srquationum prior 

 per cof.\ & pofterier per fin. 4 multiplicetur jun&im 

 prodit : 



d(vvd q>fin. a>) = — a. C v d t * fin. i\fin. a cof. (9 — 43 



'\ii u uj * 



qux cx parce eyoluta fit 



