Given a matrix A of order 3x3 with eigenvalues 1,2,-3. Compute det ( adj A - 3A + 2I).
W Wmat New member Joined Jun 9, 2021 Messages 1 Jun 9, 2021 #1 Given a matrix A of order 3x3 with eigenvalues 1,2,-3. Compute det ( adj A - 3A + 2I).
topsquark Senior Member Joined Aug 27, 2012 Messages 2,307 Jun 9, 2021 #2 You have the eigenvalues of A. Can you write down a representation of the matrix A? -Dan
