(a) (b) (c) 2a2b+c= -3 a + 3b-2c From the given linear equations, identify the matrices A, x and b such the the linear system car as a matrix equation. Does this system have any unique solution? Explain. Evaluate the upper triangular matrix U. Note that you have to show the row multipliers mi each step as necessary. (d) Using the upper triangular matrix found in the previous question, compute the solution of the g linear system by Gaussian elimination method. expressed 1 3a-b-c = 2

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