Teaching DSSSB PGT Mock Test 2025 Mathematics Determinants Minors and Cofactors

The product of the cofactors of 3 and -2 in the matrix \(\begin{bmatrix}1&0&-2\\\ 3&-1&2\\\ 4&5&6\end{bmatrix}\) is:

1
180
2
-180
3
-190
4
190
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