Si lucc fcric-i diicatiir iii .v^"' dx ct intcgrctur, prodibit 



s = l! 



n— (f .v" 



n fi ->- p 

 n — q 2» — q 



-\- 



2 n 



q X 



n 



!^n — q X 



2 ;; 

 iit + p 



etc. 



n 



zn 



qnic fcrics iam eiiancfcit ppfito x : 



X zz: 1 ^ \al()r quacfitus nolbac formulac fict 



o ; vndc 



fi ponamui 





; n — 4 



— t 

 n 

 3n — (j 



j n 



1 



-a . _ 



sn 



an -+• p 



etc. 



§. 49. ^''crum ifla ferics , quicunquc numcri pro lir- 

 teris ;;, p ct q accipiantur , niiiiis lcntc conucryif , quam vt 

 ex ca valorcs ipfius S faltcm ad trcs- quatuoruc figuras dcci- 

 malqji fatib cxacle dcfiniri qucanti quamobrcm aliam cuoliitio- 

 nem inftitui coniicnict, dum fciiicct valorcm quacfitum in duas 

 partcs rcfolucmus. Staruan<us igitur : 



/ 



xf-' ?) X 

 xf-' dx 



-^h X zzi 

 ad x" z^ 



'ab .v''^ n _ ^ 

 _ad X =zij — ^^ 



atouc cuidcns cfl fpyc S ~-P -j- Q. Nunc anrcm tam pio 

 P quani pio Q haud difncultcr Icrics fatis conucrgcufcs cxlii- 

 bcri pijtcruni. 



5. s- Qn'»d primum ad Aalorcm P attinct, cum cx 

 valorc gcucrnli, qucm fupra pro S inucnimus, ficilc dcriuabi- 



n _ 



niui poncndo .v" ~ i, ita vt fit x 



/i ct A 



^ = „ — ^ q"o 



n 



fatlo 



