The matrix $A =\begin{bmatrix}0&1&-3\\-1&0&0\\3&0&0\end{bmatrix}$ is a
Answer & explanation
Correct answer: option 3
$A =\begin{bmatrix}0&1&-3\\-1&0&0\\3&0&0\end{bmatrix}$
$A^T =\begin{bmatrix}0&-1&3\\1&0&0\\-3&0&0\end{bmatrix}$
$A=-A^T$
⇒ A is Skew-symmetric matrix