C50 



■1 If :iz ^ A^ = ^ B A% 



6 2 0«' 



/ 



«-(-& a-(-i?) A/ & i-« ./ 



A' =2 ^ C A^ 





, -^^-^ = ^ . °-±^ . i±f^ A" rr ^ D A^ 



o 2 b jb 4 b a " 



VCi — x\ 



n 



a-i-h o-t-5?) flH- 3 6 0' 4& a/_6 



-0-H56 — I ^^ 



i a^ i b ' 4 b ' i i) 



1/ (l — JC^/ 



etc. etc. 



."-^-^A^-^-EA'. 



His prnenotatis confideremus hanc aeqiutionem 



(i — .v^) &'- 1 =_ $J .v^ -h ?5 .v"- *-»-€. v^^^S)A'^^H- etc. 



x^-^dx , . ,. 



quam per ~ multiplicemus et integremus, atqus 



/ (1 — x^f 

 obtincbimus fequentem aequationem: 



'-' d X r x"-'? X 



Ik^^-I 



b 

 .h ,a + a. " t/ rr ^-* ,3 



/(i— A'V^" ]/(i — A-v 



:zz5IA^-f-*-55BA^H--^-€CA"-f-iS5DA^-f-etc. 



c 



o 



vbi loco primi termini 51 A^ fcribamus -?1AA , vt fcries ad 

 hanc formam redigatur: 



-^- A^ (21 A 4- 33 B H- (E C -i- S) D + etc.) 1= \- A' (S — i). 



Quo- 



