ID: Class: 12 Subject: Math Topic: Matrices and Determinants Type: Mcq Year: 2024

Question:

If \(A=\begin{bmatrix}a&c&-1\\ b&0&5\\ 1&-5&0\end{bmatrix}\) is a skew-symmetric matrix, then the value of \(2a-(b+c)\) is:
  • A. 0
  • B. 1
  • C. -10
  • D. 10