Question

consider the matrix a=[8,-8,-2 4,-3,-2 3,-4,1],then a³-6a²+10a-5i=
a.0 b.i+a c.i-a d.a-i​

Answer 1

Step-by-step explanation:

A=

⎣

⎢

⎢

⎡

2

−1

1

−1

2

−1

1

−1

2

⎦

⎥

⎥

⎤

To Prove : A

3

−6A

2

+9A−4I=O

Consider, A

2

=

⎣

⎢

⎢

⎡

2

−1

1

−1

2

−1

1

−1

2

⎦

⎥

⎥

⎤

⎣

⎢

⎢

⎡

2

−1

1

−1

2

−1

1

−1

2

⎦

⎥

⎥

⎤