Question

construct a 2×2 matrix A=(aij) whose elements are given by aij=2i+j​

Answer 1

Step-by-step explanation:

a

ij

=2i−j

⇒i).i=1,j=1 iii).i=1,j=2

a

ij

=2×1−1=1 a

ij

=2×1−2=0

⇒ii).i=2,j=1 iv).i=2,j=2

a

ij

=2×2−1=3 a

ij

=2×2−2=2

∴A=[

1

3

0

2

]

Hence, solved.