RICORRENTI. 615 



d^ày^ d-Ky^ d^Sy^ ^,^„^,p 



-I [ .... ■\-y 



i.zda' i.ida" i.zda." "-' 1.1.2. 3 nidatT^' 



Ad"'+'P 



i.i.i.i.2..:mda"'+^ 



d"'P:ii.z.s....mdtt'") 

 Similmente difcorrendo, troveremo 



^'t/„ d^Ry, d'Sj^ ^„^„^.p 



-L. _i_ — — — ^ -4- y — — ■ 



i.i.^d»' i.z.^da.' i.z.^dct'"' -^-^ i.i.z.s.-.mdx"'^' 



A'd-''+'P Ad-'+'P 



.„_ i.z.i.z.^...mdx'"+' i.z.^.i.z.i...md3"'+^ 



d"'P:[i.z.^...md<x'") 

 e cos'i le altre A"\ A''"' ecc. lino all' ultima A'"-\\\ cui va- 

 lore verrà cosi efpreflfo 



d"'-'^y^ d"'-'Ky^ 



_ 1 4-1/ 



l.2...(w-i;^«"'"' ' i.2,3...(/w-iy«"'-' ■"'" 



A"'~'d"'-^'P ^'"-"3^'"+'P 



i.i.z.^...mdct"'^' i.2.i.2.3...w</a'"+" *■" 



Ad'"--'? 



i.z...(m-i)ì.i...mdx"~' 



A"" a. ' = ^^ — 



d"'P:(i.^^.3...mdoi'") 



e però farà il termine generale del $.31, cioè 



^- = ( dEd-, >" 



+ ( ,PJ-y )^" 



Hhhh iij 



