JEE Mains Model Paper 9

Let A be a 2 × 2 matrix with non-zero entries and let A2 = I, where I is 2 × 2 identity matrix. DefineTr(1) = sum of diagonal elements of A and |A| = determinant of matrix A.
Statement - 1: Tr(1) = 0
Statement - 2: |A| = 1