Q. 7 B5.0( 1 Vote )

Construct a 4 × 3 matrix A = [ajj] whose elements ajj are given by :


Answer :

Let A = [aij]4×3

So, the elements in a 4×3 matrix are


a11, a12, a13, a21, a22, a23,a31,a32,a33,a41, a42, a43


A = ……(1)


a11 =


a12 =


a13 =


a21 =


a22 =


a23 =


a31 =


a32 =


a33 =


a41 =


a42 =


a43 =


So, from (1)


A =


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