X] + 2X2 = 1 Xi -X2 = O XI +x2 = 1
r
2xi —X2 = O
X, +x2 = 1
Xl -2X2 = -1
V
XI + 2x2 - 3X3 = 0 X\ — X2 + 2X3 == 1 2xi +X2 +X3 = 1
r
2X) +X2 -X3 = 1
X] + 2X2 +X3 = l
—xi + 3x2 = 2 —3xi +X2 + 2x3 = O
2xi - X2 + 2X3 - X4 = 1 X] - 5X2 - 2X3 + X4 = -4 X\ + X2 + 2X3 - 2X4 = 2
V
XI +2X2 —2X3 = 1 2xi -X2 +X3 = 2 3xi +X2 -X3 = O —Xj + 4X2 - 3X3 = -1
—Xl +X2 + ax3 = 1 2xi + ax 2 + 4x3 = cl
ax\ +X2 = 1 ■s xi + ax2 = -1 , xi +X2 = a
ax\ +X2 +X3 = 0 xj + ax2 -X3 = 0 x\ +X2 + ax 3 = a
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V.
Xi +X2 +X3 =0 COC 1 + a2X 2 +X3 = 1 , XI + COC 2 +X3 = a
V.