( 726 ) 
in which 
see 27 
2m — — FF = — — 
8 a 
p12 
un — —lm+ — aoe a 
1 ] 3 Vie an 
vy =o0--—mn+ —l*m lt = — — 
4 16 256 aut 
If one composes now the equation 
a? oe aay fey e= ih ARR 
in which 
ve ge 
a 
2 3° 
V—Apy 2? 
ens 
16 3 ai 
u 2" 
CZ — — —— 
64 318 
then the roots of (14) are given by: 
Pye SE PE a 
in which — 
u oe , 
Wu, Vu. Wis TG 8 — 99 En 0. 
1 
In order to solve (15) one supposes y = z — 5 by which the 
equation changes into: 
BE SNE re oe STE De ( 
In this is 
2 EN at POV aR Sa 
w==¢ ——a'l' + — a*= — + — ,—__ — —_ _—_ — 
3 27 TE 
— 2e +32 — 2,28 
2e = cS 
(16) furnishes consequently 3 equal roots z= 0. 
Ee 1 ze 
(15) furnishes 3 equal roots y= 2 — a di ma 
To (14) correspond the values 
22 
BF Vy Vee = = 
Dye 
Ee VIS 6 page) gS hae 
