Which of the following statements is(are) true? Statements a, b and d O Statements a, b and c Statements a and d O b) There are symmetric matrices that are not orthogonally diagonalizable O d) If A is symmetric and orthogonally diagonalizable then A¹ is orthogonally diagonalizable Statements a, c and d O c) An orthogonal matrix is orthogonally diagonalizable O a) An n x n matrix that is orthogonally diagonalizable must be symmetric.

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