At pro formula p fi vfus fiat fubftitutionis 



v — V (1^^-^^ , erit V' - '-^^-i et -y V-y =: - fl^Hif, 



Nunc igitur fiet 



^ ^, __ loTi^.-MLl hincq'ie 



\bi quidem fi ct y n: p (J , ida expreffio 



in binos fadores (a 4- p Jf') (5 4- y JfO eft refolubilis , 

 quare pro eo cafu erit: 



, dx xiv'dv _ v^^xdv 



hincque ; 



dx_ — _ ^''dv ob i; ~ ^'^'^^'+^'^ . 



~" " ^y-t-xv* X 



Heic igitur ida praefcribitur conditio, vt fit ay — p5, 

 Tt formula — pcr Logarithmos et arcus cir^ 



culares fit integrabilis, quatcnus faltem vfns adhibeatur fub- 

 ^itutionis V =z *ihy^-±I) , 



§. 10. Si propofita fuerit formula difTerentialis 

 (i - jr"'-')^A: 



(i -;*•'") 1/(2 jf^- i) 



illa quidem per methodum confimilem illi, qna in §. 5. 

 vfi lumus, integraii potcrit, . Nam fi haec formula in iftas 

 diftribuatur partes: 



