Question: 1. Solve the following system using matrix notation and Gauss-Jordan elimination. x + 2y z 4 2x+5y+2z = 9 x+4y+7z = 6 2. Solve

1. Solve the following system using matrix notation and Gauss-Jordan elimination. x

1. Solve the following system using matrix notation and Gauss-Jordan elimination. x + 2y z 4 2x+5y+2z = 9 x+4y+7z = 6 2. Solve the following system using matrix notation and Gaussian elimination. x+3y z 4 -2x + y + 3z = 9 4x + 2y + z = 11 3. Solve the following system using elementary row operations. 2x + 3y+z = 1 x + y + z = 2 -x-y+2z = 4 4. Solve the following system using matrix notation and Gauss-Jordan elimination. x + y + z = 5 2x + y z = 3 5x + 4y + 2z = 18

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