If A={:[(0,-1),(1,0)]:} and B={:[(0,i),(...

If `A={:[(0,-1),(1,0)]:}` and `B={:[(0,i),(i,0)]:}`, then

A

`A^(2)=I`

B

`B^(2)=I`

C

`A^(2)=-I`

D

`B^(2)=-I`

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The correct Answer is:

C,D

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