dq fln. dx-y)- i^^ cit fin. (jx - >-) fin. (^ - 0) = a 



rcii 



^^-ii^^/fin.(^-^), 



qiii valor in vltima aequatione pro viribus viuls fubftitu- 



tus praebet 



x^x-^-ydy-h-zdz-mqdq, hincque ^ 



XX -\- yy-{- zz z:\i\i - conft. -Y qq- conft. + yy fin.j» 



ita vt fir y y cof. J' quantitas conftans, vti iam inuenimus, 



ob M coi' s ~ p — h, Hinc ifias habcmus acquationes a 



lictcris /, w, «, X, |jl , v immuncs: 



I. q{d^^d(p)-\- iLLsd tcoi: (^ - 0) =: o, 

 11. d q -i^ d t nn. i^ - ^) — o, 

 IIT. «''y — iZ gd t cof ^, 

 IV. 1' ^ (p =; 2 <^ g </ r fin. ^, 



quibus adiungatur haec finita: tang. ^ — ^ L!!jq'jL. t > ^"^® 

 in hanc transformata: 



-:' fin. ^ -fq cof. (^ - 0) =: o, 

 diflfcrentierur, prodibitque 



ifi;fin.^ + -^^^cof.^-/^^cof(?-0)+/^^^fin.(^-^} 

 '-fqdHm.{^-&) — 0. 



lam combinatio: 



I. fin. (^-e)-MT. cof. (^-0) dat 



q{d^-\- d(p]fin.^-^)-\-dq cof (^ - i') ^ O, 



quae acqu.itio per / multiphcata iUi addatur, fietque 



drofm.^ + v a^coi l^-^fq^d^-^-d^p^fm.i^^-^^^o, 



Aila Acad. Imp. Sc, lom, VL P. J/. Q. P^fro 



