複選題

16. (10%) Which of the following are correct?
(A) Any orthogonal set of vectors is linearly independent.
(B) Any orthonormal set of vectors is linearly independent.
(C) If n x n matrix A is orthogonal, A is invertible.
(D) If n x n matrix A is orthogonal, AAT=In.

(E) If n x n matrix A is orthogonal, det( A ) = 1

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