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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