Question

If matrix A is of order m x n then the matrix of
order n x m is called-----------

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Answer 1

(i) A matrix is said to be a column matrix if it has only one column . (ii) A matrix in which the number of rows are equal to the number of columns , is said to be a square matrix . Thus , an m×n matrix is said to be a square matrix if m=n and is known as a square matrix of order 'n' . We denote zero matrix by 0 .