Question: Show the factorization and solve by Doolittles method. 2x 1 + x 2 + 2x 3 = 0 -2x 1 + 2x 2 + x

Show the factorization and solve by Doolittle’s method.

  2x1 +   x2 + 2x3  = 0
-2x1 + 2x2 +    x3 = 0
   x1 + 2x2 -   2x3 = 18

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