SOLUTION: solve using gauss elimination method: X1 + 2 X2 + X3 = 0 2X1 + 2 X2 + 3 X3 = 3 -X1

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Question 1118868: solve using gauss elimination method:
X1 + 2 X2 + X3 = 0
2X1 + 2 X2 + 3 X3 = 3
-X1 - 3 X1 = 2
Answer by josgarithmetic(39617) (Show Source):
You can put this solution on YOUR website!

1 2 1 0 2 2 3 3 W H A T ?

Fix your last row equation. or is it ?

RESPONSE:

(This is unfinished...)

1 2 1 0 2 2 3 3 -1 -1 0 2 E3=E1+E3 1 2 1 0 2 2 3 3 0 -1 1 2 E2=E2-2E1 1 2 1 0 0 -2 1 3 0 -1 1 2 1 2 1 0 0 -2 1 3 0 1 -1 -2 E3=E2+2E3 1 2 1 0 0 -2 1 3 0 0 -1 1 1 2 1 0 0 -2 0 4 0 0 -1 1 1 2 1 0 0 1 0 -2 0 0 1 -1 E1=E1-E3 1 2 0 1 0 1 0 -2 0 0 1 -1 E1=E1-2E2 1 0 0 5 0 1 0 -2 0 0 1 -1

SOLUTION: solve using gauss elimination method: X1 + 2 X2 + X3 = 0 2X1 + 2 X2 + 3 X3 = 3 -X1 - 3 X1 = 2