Consider the linear system shown below. xi + 3x2 + x3 = 4 -x1 + 2x3 = 2 3x1 + x2 = 2 a. Rewrite this linear system as Ax = b, then compute det(A) using any technique. b. Using your answers in part a, compute det A1(b), det A2(b), and det A3(b) using any technique. c. Using your answers in parts a and b, solve for x by using Cramer's Rule (Theorem 7 from $3.3).

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