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If A=[[alpha,0],[1,1]] and B=[[1,0],[5,1...

If `A=[[alpha,0],[1,1]]` and `B=[[1,0],[5,1]]` then the value of `alpha` for which `A^2=B` is

A

1

B

4

C

`-1`

D

none of these

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The correct Answer is:
D
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HIMALAYA PUBLICATION-MATRICES AND DETERMINANTS-QUESTION BANK
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