MCQ
Out of the given matrices, choose that matrix which is a scalar matrix :
  • $\begin{bmatrix}0&0\\0&0\end{bmatrix}$
  • B
    $\begin{bmatrix}0&0&0\\0&0&0\end{bmatrix}$
  • C
    $\begin{bmatrix}0&0\\0&0\\0&0\end{bmatrix}$
  • D
    $\begin{bmatrix}0\\0\\0\end{bmatrix}$

Answer

Correct option: A.
$\begin{bmatrix}0&0\\0&0\end{bmatrix}$
A diagonal matrix with all diagonal elements are equal is a scalar matrix.

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