If A={:[(x,y),(z,-x)], such that A^(2)=I...

If `A={:[(x,y),(z,-x)]`, such that `A^(2)=I`, then____

A

`1+x^(2)+yz=0`

B

`1-x^(2)+yz=0`

C

`1-x^(2)-yz=0`

D

`1+x^(2)-yz=0`

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The correct Answer is:

C

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