If AAA is a 2×22 \times 22×2 matrix with eigenvalues λ1=2\lambda_1 = 2λ1=2 and λ2=3\lambda_2 = 3λ2=3, what are the eigenvalues of A−1A^{-1}A−1?
222 and 333
−2-2−2 and −3-3−3
12\frac{1}{2}21 and 13\frac{1}{3}31
−12-\frac{1}{2}−21 and −13-\frac{1}{3}−31