Practicing Success
Practicing Success
CUET Preparation Today
Cofactor of $a_{12}$ in $A=\left[\begin{array}{ccc}1 & 2 & 3 \\ 4 & -5 & 6 \\ 0 & 1 & -1\end{array}\right]$ is: |
5 4 -4 -5 |
4 |
The correct answer is Option (2) - 4 |
