Question

Construct a 3 x 2 matrix whose elements are defined by a =
ij
li-3jl
.​

Answer 1

ij

=

2

(i−2j)

2

⇒a

11

=

2

(1−2)

2

=

2

1

, a

12

=

2

(1−4)

2

=

2

9

⇒a

21

=

2

(2−2)

2

=0 , a

22

=

2

(2−4)

2

=2

⇒a

31

=

2

(3−2)

2

=

2

1

, a

32

=

2

(3−4)

2

=

2

1

∴A=

⎣

⎢

⎢

⎢

⎢

⎡

2

1

0

2

1

2

9

2

2

1

⎦

⎥

⎥

⎥

⎥

⎤

Hope it helps you

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