Question

ALGEBRA OF MATRICES
1 2
15. (i) If A =
f(x) = x2 - 2x - 3, show that f (A)= 0.
2 1​

Answer 1

Answer:

Write it as:

f

(

A

)

=

[

−

1

2

3

1

]

⋅

[

−

1

2

3

1

]

−

2

[

−

1

2

3

1

]

+

3

I

Where

I

is the identity matrix:

[

1

0

0

1

]

And then process the algebra.

If you need an answer check, I get:

f

(

A

)

=

2

[

6

−

2

−

3

4

]

Answer 2

Answer:

hello good morning dear

Step-by-step explanation:

thank

thank you

best

of

luck and love