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Let A be 2xx2 matrix with non zero entri...

Let A be `2xx2` matrix with non zero entries and let `A^(2)=I` where `I` is `2xx2` identity matrix. Define `Tr(A)=` sum of diagonal elements of A and `|A|=` determinant of matrix A
Statement-1 `Tr(A)=0`
Statement -2 `|A|=1`

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