Question

1. Solve by via Gauss-Jordan elimination: a) 2y + 3z = 8         2x + 3y +...

1. Solve by via Gauss-Jordan elimination:

a) 2y + 3z = 8

        2x + 3y + z = 5

        x − y − 2z = −5

b) x + 3y + 2z = 5

          x − y + 3z = 3

       3x + y + 8z = 10

c) 3x1 + x2 + x3 + 6x4 = 14

         x1 − 2x2 + 5x3 − 5x4 = −7

       4x1 + x2 + 2x3 + 7x4 = 17

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