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b. Use X = A-1B to solve the above system of equation. [2 marks] 2. For the following system of linear equations: x-y +z

b. Use X = A-1B to solve the above system of equation. [2 marks] 2. For the following system of linear equations: x-y +z = 1 8x -4z = -8 x+y-z -1 [6 marks] a. Find A-1 using adjoint theorem

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