Tndc cum Ct vzz-^'-;» erit 



J i—v V — ' I — V ' V iiH- X*; — * V » 



I I ( V( t -uy*)-t- JC V t )•• j V f ■ -t- X* ' -f- » V 1 



— » ' (■! — **;» — . — * jc 



Dcindc vero eft 



/-^ — A tang. o; — A fin. ^-i- — A fin. .-^- . 



Scholion. 



§. 44-. Qiianquam aiirem hacc t]iiaruor cxcmpl 

 ad rationalitatem rcdiiccrc licuit: tamcn conciufio lupra 

 memorata, quod omncs formulae intcgralcs, (juac luillo 

 modo rationalcs cftici qneant, ad aiiud pcrtincant transcen- 

 dcntium gcnus, nequc per folos logaritiimos ct arciis cir- 

 culares cxpcdiri polfinc , non fi)lum m.inct fulpec^ta, (cd 

 ctiam fallitas eius cuidcnter ob oculos poni poicft. Sit 

 cnim fundio 



a b ^" 



X = -r^ r H V- 



a 



V(i+Ar.v) y(,^^>) V(H-.V) 



tum ccrtc formula diffcrentialis Xdx rnllo modo ad ra- 



tionalitatcm pcrduci poterit \ intcrim lamcn fingulos cius 



partcs 



a d X b d X ^ c d X 



et 



y\^X^Xx) ^^^_^^.^ V(x_^;r') 



fcorfim rationalcs cfilci ct intcgralia pcr jngaritlimos ct ar- 

 cus circularcs cxhibcri pofTunr. Coronidis loco hic (cqucns 

 problema notatu dignum adiungamus, 



PiO- 



