Ononot — Find \det(A) where A = \begin{pmatrix} 2 & 0 & 0 \\ 1 & 3 &

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Determinantsmedium

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Find $\det(A)$ where $A = \begin{pmatrix} 2 & 0 & 0 \\ 1 & 3 & 0 \\ 4 & 5 & -1 \end{pmatrix}$ .