A 3×33 \times 33×3 matrix has eigenvalues λ1=2\lambda_1 = 2λ1=2, λ2=3\lambda_2 = 3λ2=3, and λ3=−1\lambda_3 = -1λ3=−1. What is trace(A)\text{trace}(A)trace(A)?
444
666
555
−6-6−6