r
JV] - Xn = a •s ax\ +X2 = 1 ,
-X\ -f X2 — 1
J -X[ + Xl + (XX 3 = 1 1 2x\ + (XX 2 + 4X3 = 0!
(XV1 -4- X2 = 1
c) -S JV] + (XV 2 = -1 , .V] + X2 = <7
y
<XVl + X2 + -V3 = 0
d) < „n h- a„V2 -^3 = 0
X] + X2 + (XX3 - a
X\ + X2 + X$ = 0
e) < (XV] + (J~X2 + -V3 = 1 ,
r
<
vj + X2 -xą = a
X i + *3 +*4 = 0
V] - X2 + Jf3 + Xą = 0
V.
i)