Question: 2. (Cramer's rule: debatably the math world's worst formula for computing inverses) Let 2 -4 2 A = -2 1 2 2 (a) Compute all

2. (Cramer's rule: debatably the math world's worst formula for computing inverses) Let 2 -4 2 A = -2 1 2 2 (a) Compute all nine cofactors of A, as well as det(A)

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