QVADAM DIFFERENTIALI. xij 



lit ergo A rr I + B w prodibitque 



Kj-hi)-j + Ix + B feu j'-f/-^=:Confl:. vt antc. 



C a f u s II. 



Qw integrahiris reddenda ejl haec forma 

 j dy -h Mj d x-h^ d X 



XVIL Quia hic eft 2 zizjj + P J' 4- Q. pro 

 §. 12. habebimus: 



hincque iftam aequationem refoluendam 



-2«MP -«MP -«NP 

 4- ^ +2«N 



1 n d Q, 



Tnde refultant hae tres : 



nd?z:z(2 n- i) M dx feu M d x :=: " ^ ^* 

 nd(^z=(n— i)M?dx-i-2nNdx 

 «NPzzMQ, feu N d x zz "^^^ — ,^^, 



ErgO ndO — nJn-j)PdV^ ^_ Hjrad? 



feu ^ Q- ^i^ - ^L=^ P ^ P 



— 2 



quae aequatio per prfT^ multiph'cata et integrata 

 dat 



P s p7^^ 



