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(Solved): Combine the method of row reduction and cofactor expansion to compute the determinant. [ 2 1 3 ...
Combine the method of row reduction and cofactor expansion to compute the determinant. [ 2 1 ?3 ?1 3 0 1 ?3 ?6 0 ?4 9 4 2 ?4 ?1 ]
\( \left|\begin{array}{rrrr}2 & 1 & -3 & -1 \\ 3 & 0 & 1 & -3 \\ -6 & 0 & -4 & 9 \\ 4 & 2 & -4 & -1\end{array}\right| \)
Expert Answer
Given that the matrix is det[21?3?1301?3?60?