Answer:
2 by 2
Step-by-step explanation:
[tex] A = \begin{pmatrix} 1 & 2\\3 & 4\end{pmatrix} [/tex]
Since, given matrix has 2 rows and 2 columns.
So, Its a 2 by 2 order matrix.
the order it 2by 2 martix
since there are 2rows and2column
