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If A=({:(-2,2),(2,-2):}), then which one...

If `A=({:(-2,2),(2,-2):})`, then which one of the following is correct ?

A

`A^(2)=-2A`

B

`A^(2)=-4A`

C

`A^(2)=-3A`

D

`A^(2)=4A`

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