Question: Show the factorization and solve by Doolittles method. 3x 1 + 9x 2 + 6x 3 = 4.6 18x 1 + 48x 2 + 39x

Show the factorization and solve by Doolittle’s method.

   3x1 +   9x2 +   6x3 =   4.6
18x1 + 48x2 + 39x3 = 27.2
  9x1 - 27x2 + 42x3 =    9.0

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