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Let A=[(5,5alpha,alpha),(0,alpha,5alpha)...

Let `A=[(5,5alpha,alpha),(0,alpha,5alpha),(0,0,5)]`. If `|A^2|=25`, then `|alpha|` is equal to :

A

`5^(2)`

B

1

C

`1//5`

D

5

Text Solution

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The correct Answer is:
C
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