102 



E. G U U Ii .s A T 



(47) 



1728 r- 5040 f+ 5012^- 1701 



(28/-27)* 



1 1 o 



| = (^-l)(144i;^- 232^ + 81)^ X'=- ,/=- ,.'^-. 



(48) (4f-4i-3)'+27(2^-l)'=4^(/-l)(4<'-4^-9)'' r=f,'=r' = i 



[ h", e- 2". 3. f (4 ^ - 3) + 2U (4 ^ - 3)'^- 4(4^- 3) ' 

 (53) !-3'\f (4^-3)^ = 3(1-^) 216(4<-3)+i;(12^+3)^ 



+ 



"1" , 1,3 



216f (4(;-3)'-108^(12i! + 3)(4^-3)J .... A = (t'= ^j '' = 4" 



3'". f- 2. 3". 5. ^'+3". 5'. 13. ^- 2'. 3'. 259. ^'+2". 3\ 5'. M- 2' = 



(5G) '-2\tir.t~2\5y 



= {t- \)\t (8U - 27)-- (27 ^ - 16)^ 



,1 1,5 



^ = 4'f'-3'''=4- 



(4 f - u-ry - Ci u- i){2t- ly t {\-t) 

 (61) |-36/(i-i)-^ni-^r(2^-i)^ = [(^^^-^^-^") {^t'-^t-r 



.1 I ^- I , 



(65) 



( [(9 - 8 ty-\- 64 f (1 - 1) - (8 r-~ 36 t + 27) ' 



256^(1-0(9-8^)' 



A'=l,(i'=r'=- 



