Question

Matrix $A=[a_{ij}{]}_{m\times n}$ is a square matrix if _______

• A. m < n
• B. m > n
• C. m = 1
• D. m = n

Answer 1

The correct option is D

m = n

Matrix $A=[a_{ij}{]}_{m\times n}$ is a square matrix if m = n.

The number of rows and columns are equal in a square matrix.