Practicing Success
Practicing Success
CUET Preparation Today
If $\left[\begin{array}{ccc}0 & a+3 b & -7 \\ -1 & 0 & 3 a+b \\ 7 & -11 & 0\end{array}\right]$ is a skew-symmetric matrix, then $2 a-8 b$ is equal to: |
-22 0 16 -16 |
16 |
The correct answer is Option (3) → 16 |
