1. Use the Gaussian elimination to find the values of c, C2, C3, C4 in the following matrix equation: 4.2857x10 -9.2307x105 4.2857x10 -5.4619 x10 -4.2857 x10 5.4619x10 -7.887 x10 C2 -6.5 -0.15384 6.5 0.15384 C3 0.007 4.2857 x107 -3.6057x105 Answer: 2. Decompose the given matrix as indicated: [25 5 41 1 0 16 = 1 1 8 12 22 g1 2 10 0 1 t42 U13 10 0 0 Answer:

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