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Suppose matrix A satisfies the equation ...

Suppose matrix A satisfies the equation `A^(2) -5A +7I=O` . If `A^(8)=aA+bI` then value of a is

A

1265

B

2599

C

`-2599`

D

0

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A
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MCGROW HILL PUBLICATION-MATRICES-EXERCISE ( LEVEL -2 ) ( single Correct Answer Type Questions)
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