Question

${A=\left[a_{ij}\right]}_{m\times n}$ is a square matrix , if

• A. $m<n$
• B. $m>n$
• C. $m=n$
• D. $Noneofthese$

Answer 1

The correct option is C $m=n$

It is known that a given matrix is said to be a square matrix if the number of rows is equal to the number of columns.
Therefore, ${A=\left[a_{ij}\right]}_{m\times n}$ is a square matrix, if $m=n$.