If A2=AA^2 = AA2=A, which of the following is true for the eigenvalues λ\lambdaλ of AAA?
λ∈{0,1}\lambda \in \{0, 1\}λ∈{0,1}
λ∈{1,−1}\lambda \in \{1, -1\}λ∈{1,−1}
λ\lambdaλ can be any value
λ=0\lambda = 0λ=0