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Practice problem

Computing Determinants of 2×2 or 3×3 Matrices

By Cameron Montag
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A=[2⋅det⁡(A)−2det⁡(A)+52]A = \begin{bmatrix} 2 \cdot\det(A) & -2 \\ \det(A) + 5 & 2 \end{bmatrix}

What is det⁡(A)\det(A)?

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Type a concept, like “slope” or “photosynthesis”.

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