Matrix calculus: Determinants
Row and column expansion
Let \(A\) be the following \((3\times3)\)-matrix: \[A=\matrix{4 & -2 & -8 \\ -8 & 0 & 4 \\ 8 & 0 & -5 \\ }\] Determine the most efficient way of calculating the determinant of #A# by means of expansion along a row or column.
Expand along number
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