Question: points) 10. The matrix A= -8 -1 -2 is symmetric, and therefore orthogonally 4 -2 4 diagonalizable. The characteristic equation of A is: -(2+5)

points) 10. The matrix A= -8 -1 -2 is symmetric, and therefore

points) 10. The matrix A= -8 -1 -2 is symmetric, and therefore orthogonally 4 -2 4 diagonalizable. The characteristic equation of A is: -(2+5) (1-16)=0. Find an orthogonal matrix P, that is a matrix P with orthonormal columns, such that A= PDP = PDP

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