If A = (aij) is a 2 x 3 matrix and aij = i+j, write down the matrix completely.

Let the matrix be A = [  a11     a12     a13  ] first row and  [  a21    a22  a23  ]  second row

Now, a11= 1+1= 2 ; a12= 1+2 = 3 ; a13= 1+3= 4 ; a21= 2+1= 3; a22= 2+2 = 4 ; a23= 2+3  = 5

thus, A= [ 2      3    4  ] first row and  [  3     4     5  ] second row

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if A is a raw matrix as well as a column matrix. What is th e order of A?
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