pro hulus aequationis integratione , quae vtlque non exlguam 

 dexteritatem poftulat , ponamus ^vcc—xx—x __ ^ ^ eritque 

 }/{£€ — Jif jr) — 2ii.±|Ii, vnde colligitur 



x:=z '^'^-^' — — ^-__._£ii±_, hincqiie 



— C /dt-\-dtdr\ 



Cum igitur fit Dj^izijSa-, erit 



^j,l/(n_^,^) tdt-^Zttdt t^dt — odt^.~'^dt(i-^tt^ 



*• (n-nx (i-f-u/ ' 



ideoque 



3jp^fi-|-^g) t^dt — odt ^dt 



Eft vero 



r—lll— — — ^ 



J , _^,,4~ /(i-h^O' 

 (i -h ^ 



r ,r= t et 



(l -f-n)^ Y(l-Hn) 



y{^i-\-tt) 



dt 



r-il - —Kt-\-Vi-v-tt), 



J |/(i -i-/o 



quamobrem integrando habcbimus ^ 



>''.-)- 5" 3-) (^ /) = - -';"^^/)- 4- d / (f -I- •/ 1 H- ^ 9 



vbi notetur efle / — ^:|i^IEl^, ita vt haec curua etiam 

 a logarithmis pendeat. i 



§. 22. Hic autem fc offert nlius raodus multo con- 

 cinnior eandem hanc integrationem per angulos expediendi. 



Statua- 



