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

Question:

\(If\begin{bmatrix}a&c&0\\ b&d&0\\ 0&0&5\end{bmatrix}\) is a scalar matrix, then the value of \(a+2b+3c+4d\) is:
  • A. 0
  • B. 5
  • C. 10
  • D. 25