314- I^E PRESSIONE FV15IVM 



§. 1 1. Totiim negotium igitur liuc redit , vt 

 inueftigemus integrale / ^^^^ =^,<]uod per reduftio- 

 nera folitam ita refoluitur : 

 'J' pa dti [ ^'-^yd tt du dp ' 



d7v'[+^''777i^-^j^.^^d^' ^^\,^^ 



dx{i ■hppT 

 Qpia ijp^cflj r ^ r-. j- — — , poftrcirura niem- 



brum —j-f' ; »bit in -^j — Qum igi- 



tur tt — - erit du — -^^~ hincque 



/1_^ — _ G /^ = -+- -5- _|- c. 

 SubflituaiKur igitar ifti valores et obtinebitur fequens 

 aequiuio : 



O y I -Hpp = -f-^f== -4- -5- -i- c 



' «r rrdxVi-t-pp jrr ' 



confequerjter habebiirius 



(D=/npdx-—^tp-—- -+- ^— -f. Ui 



quae denuo d ffcrentiata praebet 



p dr dr , p 



npdx— G. — .d. —7- -+- G. — T-. d. ^ — - 



i-+-pp rrdx^ rrdx x ^pp 



Gdr Gpdp Cpdp 



/Vi+pp ^rr{\+ppy (i+ppy 

 quo circa coUigimus 



G dr Gdr ^ p 

 dx{\-\-pp) rrdx prrdx \ -\- p p 

 GJr Gdp C dp 



^^ ^ pr dxy-xTfp^ , ,^.^^^ ^ ^.^py ' ^^.( ^ ^.^,^.)' 



quc 



