5. Consider the matrix -1 3 0 0 1 0 3 A = 1 2 (a) Find A-1, the inverse matrix of A by using your favorite method. (b) Using A-1 from part (a), find the solution of the equation A = b, where b = (1,3, –1) and the solution vector is i = (x1, x2, x3). (c) Use Cramer's rule to find ONLY x1, the first component of the solution vector . Hint: The x1 values in (b) and (c) must match.

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