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Consider the following system of linear equations in 27. +3y +2z +4z = 3 3x +4y +2z = a. (1 mark) Write the matrix equation,

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Consider the following system of linear equations in 27. +3y +2z +4z = 3 3x +4y +2z = a. (1 mark) Write the matrix equation, Ax = b for this system. b. (4 marks) Find the inverse of the coefficient matrix A using the Gauss-Jordan method. (Note that all calculations must be done in 247.) c. (2 marks) Use part (b) to solve the system

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