284 



/'-á(*)=Sa(A''íO. Uí\"if), 



2.5... An 



^ ^2.3...(n-?i')X2.3...(n-íi")X2.3...(n'+n"-n) "^ 



xS/>.- xsi*. . 



2.5.. .An' 2.3... An" 



\Se supone que no entra en combinación el factor A°. 



[ B'-^{a+a'x-\-a"x'+&ic.) (6+fc'íc+fc"x'+&c.)l " 



=M-\-B'x-\-B"x'^&c. 

 B('v') = S(— l)'"Xm(m-t-l)...(m+n— 1) 



2.5...n'x2.3...n'' a"-"', fc"- "" 



^^{ ^ 2.3...(n-nOx2.5...(n-n")X2.5...(n'+n"-n) ^ £„+„ 



xSi*. xSP. 



\B=B'+o6. 



2.3... An' 2.3... An" 



^(f-OAn 



SP. 



^5< 2.5...An 



2.3...&x2.3...n'x2.3...n"X2.3...n'" 



= S 



2.3...(n-fc)x2.3...(n'+fe-n)x2.5...(n-n')x2.3...(n"+n'"-A!) 



