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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