'x 3 * DE EXP RESSWNE 



Vbi iterum tam litteras a et c, quam b et e inter il 

 permutare licet. Vel erit etiam ob plures valores ipfws Q^ 



%-j Jx^dxli-x) -^-] fx h -*dx{i-x ) c - h - 1 

 P "-**-*' flF^xii-xy-*^- 1 ' fx a - l dx{i-xf - 3 ~ ■ 

 At formula prius inuenta., ponendo j pro 2p, abit io 

 hanc , 



4M-5 fxs-'d x(i -x) b + e ~ f fx h - l dx{i~x) f - ^ 



~~ b-\-e 'fx f -'dx{i -xf+^*' fx°- l dx(j. - X) G fj ' 



Scholion 2.. 



38. Quodfi iam omnes- iftae permutationej ad£ 

 hibeantur, quae pro formula Qobtinent , atque formufc 

 propofita fuerit : 



P ££/ (a-f--i )fc-t-iK/-4r i) f£-jkj_)(c ■ +■»)( /-4-a) pj . 



r 6fff- -+-«)(« -HOKg •+-')' (5+-=)(« + 2 )fe+:)' ait " 



fueritque a-\-c-\-f~b-\-e-\-g i reperiemur fequentes 

 valores pro valore P, fcilicet: 



ffx^^dx (i. - xj**- 9 fx*-'dx(i-x ?^-+ 



P — /jxF-^dxii-xf+J- 6 fx a - 1 d^-x) e - a - 1 



ff X £-'dx(i-x)f-z J^I^_iZ^lll_ B 

 V —e'afx c - b - l dx{i~x^- 1 'fx a ~ t dx{i-rXf.- a - ' 



c-bfx e - a -'dx{i-xf-f fx*r-*dx (**-xy-}~* 



?r ~~g 'fxJ-^xii-xf-ffxt-^dx^-xf- -* 



_c-b fxz-'dx{i-x?^_ ^' dxii-xf *-'-■* 



V ~ e~^d]xt- i dx{i-xf- a - s Jx a —dx{i-x,f- a - i - 



f fx l + e -'dx{i-xf- h - e f&2 'dx(i-x ?-' 



~ V • f^' lr dx~{r-x) f '-' b ~ e fx a — ' dx& -xf - * 



