Question

A=[a_ij] _mxn is a square matrix, if

(A) m < n        (B) m > n      (C) m = n     (D) None of these

Answer 1

The correct answer is C.
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=[_ij]_mxn is a square matrix, if m = n.