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Solve the following linear system of equations using both a) The built-in Gaussian elimination technique and b) The matrix inverse technique. 10x + 3y -

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Solve the following linear system of equations using both a) The built-in Gaussian elimination technique and b) The matrix inverse technique. 10x + 3y - 2z + 11w = 30 -3x - 6y + 2z = -72.1 x + y + 5z - 5w = 32 5x - 3.5y - 2.2z + 3w = 110 c) Solve the system from problem one using LU factorization d) Solve the system using the decomposed matrix from part a (assuming that the right hand side vector has been changed so that the system is now) 10x + 3y - 2z + 11w = 40 -3x - 6y + 2z = -50.1 x + y + 5z - 5w = 82 5x - 3.5y - 2.2z + 3w = 100

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