758 
PONTIFICIAE ACADEMIAE SCIENTIARVM SCRIPTA VARIA - 25 
or again 
(127-3) 
+ 
y. 
(8)e 
3 
do 
© 
de 
Now 
- 1°g: 
e'®=14+70, ° 
Lee 
and from relation (111-3) we have 
(1277-4) 
(850 (08)d6=n 
Thus for small values of i’ and from (112-1) 
(127-5) 
R if 6S ¢(0)d6 
: SR oN - 
k R. 
whence it follows that 
(127-6) 
R 
oR 1701 
— “= — — 
1420 
(6 
Cel©] de 
11] Allais - pag. 62