Out of the given matrices, choose that matrix which is a scalar m… - Vidyadip

Question

Out of the given matrices, choose that matrix which is a scalar matrix:

$\begin{bmatrix}0&0\\0&0\end{bmatrix}$
$\begin{bmatrix}0&0&0\\0&0&0\end{bmatrix}$
$\begin{bmatrix}0&0\\0&0\\0&0\end{bmatrix}$
$\begin{bmatrix}0\\0\\0\end{bmatrix}$

✓

Answer

$\begin{bmatrix}0&0\\0&0\end{bmatrix}$

Solution:
A diagonal matrix with all diagonal elements are equal is a scalar matrix.

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