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Let A = ({:( alpha , 0),(1,1):})and B = ...

Let `A = ({:( alpha , 0),(1,1):})and B = ({:(1, 0),(5,1):})` be two matrices where `alpha` is a real number. Then

A

`A ^(2) = B` for some ` alpha `

B

`A ^(2) ne B` for any `alpha`

C

`A ^(2) =- B` for some `alpha`

D

`|A ^(2)| ne |B|` for any `alpha`

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