(25) = 

 Per integrationem aiitem impetramiis fequentia; 



/ 



I. 



I — cof. p I X d X Fab a' n: o 

 A * xl X Ud xzizi 



II. 



p I X — fin. p 1 X d X 



:/P a^ 



JT {J X/ 



~;ib A- = o"] -^ -„ -, 



iir. 



/ 



Ip p (I x^* — I -^- coC p I X 



^ r Vah X ^zcl 



X J x/ |_:id jc — I J 



—fdpfdpf?dp. 



IV. 



I pUI xy—p l x-\-{ -m.plx dx 



X (/ X 



f^pfdpfdpfVdp. 



np'<f yr—p i x-}-hn.p/x dx Fah a- rr: ol 

 •Z A ' X (/ x/ [_Ad X ~ ij 



etc. 



Vbi itcrum commodc ciienit xtfPdp cxhiberi poffit, fiqui. 

 dem liabemus 



f?dp= fllt,' --^ -. 



gzn _+- ^ iR, 



A/tftfa ^^(^a ^ffl^. /;«;.. Sc. T. f. 



PoDa- 



