Example 1: Let A = (■(2&3&6@4&1&5@9&7&6)). Write the order and elements of matrix A. Solution: Here, A = (■(2&3&6@4&1&5@9&7&6)) The order of matrix A is 3 × 3 and it has 3 × 3 = 9 elements. a11 = 2		a12 = 3		a13 = 6 a21 = 4		a22 = 1		a23 = 5 a31 = 9		a32 = 7		a33 = 6
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