Q^VIBI^SDAM mTEGRABILlBVS. 193 



crit etiam =.^^ ^ ^ dx-^^^ ^c-h^ x ^ udx 



-\-cu^dxzzdu, 



—h—ac 



intcgrabilis & wzz — '^x — t^" ' ' 



ic_j_ac 



Exempl. 3. 



«C-2& ue-h 



Quoniam ex sequatione ax"^ ~~dx^hyx~^~ dx 



2 2 2ac^2& t i 2 '^'^ — ^ 



Eritctiaml£^_iz!^)*_;r~6~ ^^-V-^^r^ ^''^'udx 

 -\-cu^dxzzdu) 



,2 ac 



integrabilis & un: ^^-x~T. 



III. 



In qiiibuscunque cafibus integrari poteft 



A ax'^dx-\-bjx^dx-+-cy^dxzzdy. 



poterit etiam integrari 



Demonjir. 



Ponatur^yrrtt~' mutabitur asquatio A in 

 ax^dx-\-bu~^ x^ dX'\-cu~"^ dx——u~ '^du. 

 Hxc multiplicctur per — «~ ^ fiet —cdx—bux^dx—ax^ 



u^dxzzdu. pofitoque ;f— i^^^H^prodibit 



B b Exempl. 



