If A=[1 2 2 2 1 2 2 2 1]. verify that A^2-4A+5I=O.

Question

If A=[1 2 2
2 1 2
2 2 1]. verify that A^2-4A+5I=O.

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3 weeks 2021-10-04T16:09:10+00:00 1 Answer 0 views 0

Answers ( )

  1. Emma
    0
    2021-10-04T16:10:33+00:00

    Answer:

    [10 0 0

    0 10 0

    0 0 10]

    Step-by-step explanation:

    A^2-4A+5I

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