(1-0*1 -ĆC 2 = 1
(2 - 0*1 + (1 - 0*2 =l+i
r
2xi + 4x2 +*3 = 3
3xi - 2x2 + 2x3 = 4 , —XI + 3x2 + *3 = -3
a)
b)
ix l - X2 = 1 + / X] + (1 + 0*2 = i
2xi +X2 + X3 — 2 XI + 2X2 + 3X3 = -1 —X] + X2 + 5X3 = 0
<
2xi + X2 - X3 - 3X4 = 2 XI - 2X2 +X3 +X4 = -1 -2xi + X2 + 2X3 + 3X4 = 2 —X] - 3X2 + X3 - 2X4 = 1
*2 + *3 + *4 = a X\ +X3 +X4 = b XI +X2 +X4 = C XI +X2 +X3 — d
r
r
<
*1 — *2 +*3 +*4 = 0 Xl + 2X2 - X3 + X4 =4 X) +X2 +X3 -X4 = 0 —Xl +X2 +X3 +X4 = 6 Xl +X2 +X3 — X4 = 0 *1 — *2 +*3 +*4 = 0 -X] +X2 +X3 +X4 = 6 *1 +*2 — *3 +*4 =2