Orthogonallyr diagonalize the matrix, giving an orthogonal matrix P and a diagonal matrix D. To save time. the eigenvalues are Q and 9. 1 4 8 A= 4 ? 4 a 4 1 En er the matrices P and D below. (Use a comma to separate answers as needed. Type exact answers, using radicals as needed. Do not label the matrices.) Orthogonally diagonalize the matrix, giving an orthogonal matrix P and a diagonal matrix D. To save time. the eigenvalues are 14 and 5. 9 4 2 4 9 2 2 2 6 En.er the matrices P and D below. I (Use a comma to separate matrices as needed. Type exact answers, using radicals as needed. Do not label the matrices}