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If A and B are non - singular matrices o...

If A and B are non - singular matrices of order three such that `adj(AB)=[(1,1,1),(1,alpha, 1),(1,1,alpha)] and |B^(2)adjA|=alpha^(2)+3alpha-8`, then the value of `alpha` is equal to

A

`(9)/(5)`

B

`(8)/(5)`

C

3

D

2

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A
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