INTEGRABILITATIS. 91 



ciusalterum multiplicatorem inueftigare. Primura 

 integrando coUigimus 



vnde fit 



et djzzpd x^dx{mv- ^^T 

 ideoque 



dxzz r> 



ftatuatur iam hic m v zz s^ tt j :=. s z t vt obti- 

 neamus 



s d z -^ zd f 



dx=z 



1 » 



quae aequatio diuifa per s—-^ dat 

 d X d z z d s 



fli — n — ^ 1 + 7~ 1 > 



haec aequatio fimili modo vt fupra integratur , ec 

 e:^ penultiroo membro iterum nafcitur fundio deter- 

 minata ipfius z; fi in membro poftremo loco Z 

 ipfius vaiorem ^ reftituamus , confequimur , 



X p — n xds ^f. d z ^y^^ 



m— « 'TV j«, aTO — tt — '7 1 *T~y am — Tt f ^ 



XI» "*jm (l— "^ P . s")"* J a " 



M & ex 



