\(A=\left[\begin{array}{rrr}0 & \alpha & \beta \\ -\alpha & 0 & \gamma \\ -\beta & -\gamma & 0\end{array}\right]\) is a
(A) square matrix
(B) diagonal matrix
(C) symmetric matrix
(D) skew-symmetric matrix
Choose the correct answer from the options given below:
1
(A) and (D) only
2
(A) and (C) only
3
(A), (B) and (D) only
4
(A), (B) and (C) only