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Determinantshard
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Suppose AAA is a 3×33 \times 33×3 matrix with det⁡(A)=2\det(A) = 2det(A)=2. What is the value of det⁡(2A−1⋅adj(A))\det(2A^{-1} \cdot \text{adj}(A))det(2A−1⋅adj(A))?