Construct a 2 ×3 matrix A = [ajj] whose elements ajj are given by :
aij = i × j
Let A = [aij]2×3
So, the elements in a 2×3 matrix are
a11, a12, a13, a21, a22, a23
A = ………………. (1)
a11 = 1×1 = 1 a12 = 1×2 = 2 a13 = 1×3 = 3
a21 = 2×1 = 2 a22 = 2×2 = 4 a23 = 2×3 = 6
So, from (1)
A =