35 



319 



From (78) we obtain 



^-|^ = -^/^((l + ^')(l-r3'^)./.-i fa- 0(1 + rs'^). 7.^,}- 



- = ^ / ' + U - + (1 + (1 + 'fr+i) -r 



+ X I 1'^^, {(1 - c') Jr 1 - { 1 S') Jr+i ) , 



By means of these relations and of (93), (95) may be reduced to 



^"^ ~ 4o [ 2b' 

 + 2'^+ v'>{(l 3') 1(1 + £') (Be' - 2) - re- (5 - Se'^")) ^r-Krs) 

 +■(1 - - £')l3£'-i-2)^^r£'(5-3£'-))./r+i(r£)}e-^^'<^-2'". + '"> + "'.>' 



_ 3 ( 1 - //'),«£:' 2 ;r <• (2 r«. - 3 + a;,^ I 



2e' 



^'Yr"^^~((l - (d - 0(3c-' + 2) - r£'(5 - Sa'"^)) Jr-i (re) 

 -h (1 +£')((! r £')(3£'-2) + r£'(5 - 3£'-))./T+,(r£)}e'-i'^"^ + --i""-^""=-^""" 



+ 3/^//£' e2?r-(- w. + w.!/ 



-t- 2' |^{(3 5r (1 -i- £'//)) ./T--,(r£) J- (3 - 5r (1 - £'//)) ./r (r£)} e2^''^'". + 



