Vectors and matrices › Determinants › Cofactor expansion

Determinant by first-row cofactor expansion

University · ●○○○○ 10 pts

Compute the determinant of ∣4124033−25∣\left| \begin{array}{ccc}4&1&2\\4&0&3\\3&-2&5\end{array} \right| using a cofactor expansion across the first row.

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3x3 matrices