14$ DE EXFRESSIONE 



hincque ftatuatur tf_rf; c~\\ &—\-~ r e—\-\-^it& t 



xt fit /-a + f-^+^i , atque 



s-a-b-i __- i -f- ? ; s-a-e- 1 _=- 1 -? t 

 *-*-fff*=^-i-4-S 5 j-.-f-x__-i-~ , 

 Eritque idcirco : 



p— ft~ l dx(t-x)~* __ .__*_!_______,. 



fx *~~-dx,i-x) 2 * / — ' - 



i i hl 

 (i-„j 5 ~ t ~» 



W *_- 



Vnde fit P z_ cof. ~ n __ -~~_r _~~ 



/__LJ-_ 



(i-xf * 

 Per reliqua* vero formulas ipfius P habebitur ^ 



I T-4_ m — - v-I— — 



w /> - s dx {i-xf '~ ir '~Jx- ' dx{i- x) «_^ 



¥~XO(.~~~Z- 7_ m m — _ L , m _!__*_ 



JX~ * «dx(l~X) I "*"■ fx^~dXil-X) - 



Q. E- L 



Coroll. i. 



5_. Ponatur ____$%; et prior formai abit in hancs 



7T 



COf. _~ 7T. __ _~~ 



*S J ~~- 



1 1 i m 



lCt 



