837 
BDE) a 8 
AE (log log x)" + O (log log ayr—1 , 
and 
&  F(u) log u ; 
= = 0 (log w . (log log w)r~1) 
&=2 an 
v=1 wy me 
Proof. Substituting 
— d 
log log a = « 
log log u = u, 
9) 
and 
1 1 
x a em gy n—l am n—2 
a) = ES F(u) = 5 ka 
a log x log « 
== 
we have 
x ie) 
g, (2) = 1 
Dd ES ; 
u= lym 
2 9%) —g (u—]) 
u=2 fe 
uit 
_ gfe) as (1 
Fate) 
es feiss 2 
[a] m ym (u ai. Ir 
1 1 
x n—1 x—l au" U n—| yn n-2 } 
— of 3 ) op =f a EST ek ideal aad O 
log v u—=2 | log u log u \ EN zel 
mum 
eh un—lì x—1 y n—2 
My=2U log u u=2Ulog u 
Faery oe ae + O(e, =) 
= 0 (zr!) 
mn 
and 
de 
En 1 = Dig (U) — 1, (u—1)} log u 
Si — u? 
WJ 
‚u 
=d. [e] log le] — x zn (x) log (: a =) 
wd 
