Opuscula. -y^ 
eaque fi ducatur in tfy'^^, atque integretur , fiet 
dy-^^ d^^y cy -\-M — o , 
Atque hxc rurfus pofterior acquatio fi multiplicetur pcr dy^ 
& nova conftante addita integretur , exfurget 
d X — e dy 
X-^T —fe dy, 
Cafus tertius , 
in quo eft 5 ^ * r= ( -f- 2 ) f . 
In tertio hoc cafu erit propofita xquatio 
dydly-\-ad^yd^y-^hdy*d^y^J_t^dy*:=zo, 
Ducantur omnia in f ^^■^' ^jf """^ , & fit 
e '^^^{df diy-^-ady'^' d^ yd* y^hdy'''^^^ jH-ill^jf *"^^) = o . 
Si ad complendam aequationem pro conftante accipiatur 
quantitas -j^) atque integretur, erit 
& multiplicando per {a-\-i) dy ^ ac rurfus integrando fiet 
e^^h dy"-^'- ^Mdx'^^-hMydx"^^ 
h 
Cafus quartMS ^ 
in quo eft nec a ~ — 2 , nec ^^» = (/z-j-2)f, 
Sit compendii gratia i& — (/z-4-2)r) & pro- 
pofita xquatio duda in i? dy hanc aliam formam 
obtineat 
Tom,Vl. K t 
i 
