Find the cofactor of element 3 in the determinant.
Δ = \(\left|\begin{array}{ccc}2 & 7 & 4 \\11 & 6 & 3 \\8 & 5 & 1\end{array}\right|\)
1
−46
2
46
3
42
4
−42
Find the cofactor of element 3 in the determinant.
Δ = \(\left|\begin{array}{ccc}2 & 7 & 4 \\11 & 6 & 3 \\8 & 5 & 1\end{array}\right|\)