Let AAA be a 2×22 \times 22×2 matrix with eigenvalues λ1=1\lambda_1 = 1λ1=1 and λ2=−1\lambda_2 = -1λ2=−1. What are the eigenvalues of A3A^3A3?
1 and -1
1 and 1
-1 and -1
3 and -3