Al. a. Tchouproff 
1(33 
E (jj-'r - /^,)-^"'+' = 1 . :} . 5 . . . ( 2iit f 1 ) 
1 
+ 
+ 
+ -g\vii-'^ X.r-' X./ - ^ vd-'i XJ"-' X, 
j^i^ nd-^^ X, + ^io m^-'i Z,"'-^ X,X„ 
+ ^i^i»MAV"-^X,A% - (15). 
+ jh^n^-^^ A,— ^AVX, - ra^-^ A,'"-M% + ^igWit-'J A,™"^ A,A/ 
+ ^V"i'-"J AV«-« A./ A, - ^-"i^i'-^irJ) „,[-3i Z^X, 
{,n-l){m-2) (m - 4 ) ^ m (3m -1) ^ 
162 
72 
+ ... 
Hence ; 
(16). 
Z^ 
III 
(I) Noting that 
1 
t=i i=i jjpi 
1 1 
we find : 
E iix',.^ - IX,^) ifj!,., - fX,.^ = Efl',^ - fl,.^ fx,,,. = ^ \/J^,; + r, - i Mr,]- 
Similarly we find : 
11—2 
