Suppose that A, P, and D are n x n matrices. Check the true statements below: A. A is diagonalizable if A has n distinct eigenvectors. | B. If AP = PD, with D diagonal and P invertible, then the nonzero columns of P must be eigenvectors of A. OC. If A is invertible, then A is diagonalizable. OD. If A is diagonalizable, then A has n distinct eigenvalues.

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