1 0 o +0 
a, 
b +b 
Pipe i Me ne I, 
b 
ve 
° | 5 < 
a, Wo De 1 b, | == A fit, aia Bu, = C 
b,+6 
a, 0 0 bt allo b, 
b, 
BA 0 0 it 20 
where the coefficients have to be determined still. 
If we put u, = 0, the coefficient C is found to be 
oe | 
| b, 
mo 
1 
a 
C=a, => (0, — 5,65 
1 
Dividing further both members by u,? and supposing afterwards 
u, = 0, we get 
a,0 00 0 
i 
la, 2 1 0 0 : 
EEN 
b, hi 4 3 
Ae eee |p Gh) 
1 ee 1 
b, 
a 0055, 
yA 
A 0 dea 
Differentiating both members with respect to u,, and substituting 
u, — 0, we get for B the form 
a, 0-0 One ged Oe 20 
be b 
a= Leas oe 1 WD 
b, b, 
b b 
Bi Sal = Re) = 0 5 0 dy 
1 1 
: b ; 2 
a. 0 (=o aor B 
1 b, 1 pk b, 1 
a, 0. 0), Qe coo 0° 1 0 
The first of these determinants is identically zero; the second 
developed, gives 
