Which of the following is the zero matrix of order 2 × 3?

Explanation

1. 01

   A zero matrix has every element 0, and order 2 × 3 means 2 rows and 3 columns.

2. 02

   Only $\begin{bmatrix}0 & 0 & 0 \\ 0 & 0 & 0\end{bmatrix}$ fits.