(54) 



3 



(i — nn a af 71 " 1 ? 



x — ~ et 



n {n — i) a t n ~* 



t(z—n — nn aaf n ~*) 



j — 



n — i 

 Quoniam vcro hae formulae iam nimis fiunt intricatae, fuma- 

 mus a ~~ i et n — 2 , vt iit u~tt et v =z 2^ ex quibus 

 porro colliguntur valores 



3 



# — u (1 — 4 * 0% ./ — — 4 '% h incc l lie 

 a =-■/ (5 — 3 tt -4- 1 2 J 4 , ac denique 



yCI — 3 n+ 12Z 4 ) 



\ — 4 ^ 

 Problemati autem iam ita fatisfiet , vt fit 

 fqdz—.l — 3 tt et 



/>«>' (**-»> 2* A bng. - Sw^i • 



Alia Solutio. 

 per formulas rationales procedens. 



§. 14. Vt formulas radicales euitemus, ponamus fta- 

 tim p = rz=J, vt fiat V^ + PP) — 1 —- Nunc ^ [mt has 

 duas formulas: 



fpdx=rsi=^ et 



integrabiles reddi oportet, id quod praeftabitur faciendo has 



duas 





