( 2SG ) 

 21 21 \ 39 



•* V :i20 ^ IGO y^ü40 ^ 



'/2l/ 



21 39 



'• 20 20 ^ \ 



(1 — n") 1/3 — 4 «••' 



wliorc again in the first pait I iiiado use oi' tlio iclatioii 

 to/-i 2 1/2 = 71— 2 to/-' 1/2. 



If we tlien join tlie tei'nis oblained, we shall get Ix'sides tlie lore- 

 most; factor 



2169 / 383 127 \ 



1= 1/2 + 71 + 



5.1G384 ^ ^ \3.25C 7.32 / ' 



2205 559 In , „ , 



^' 16384 ^ 15.128 7.16 J } (20) 



-j 



''^ _ 3/^ „2 _^ 25/^ „4 _ IG/. ,,C _|_ 8/,^ ,^8 _ 4y^. „10 



(1 — n2)l/3 — 4n2 



For the integrating of tliis last integral we again refer to the 

 more lengthy jjaper; it is sufficient to mention the result for I. 

 I only draw attention to the fact that after having successively 

 determined 



2/^- dn 



C n 



4 «2 

 where 1=1, 2, 3, 4, besides 



/n" dn 

 (1 — «2 1/3-4 «2 /^ ' ' 



all the above-named integrals ai'e found by parts. So is e. g. 



r* »(* d7i _ r «2 ^^ r rfi dn 



J (T- «2)»/3— lf«2 ~J (1 _ „2) v/3 _ 4 „2 ~J »/3 _ 4 „2 ' 



etc. The result now becomes, after nniltiplieation by the foremost 



