Which of the following matrix A is diagonalizable? (1 mark) . Response to this question requires at least one option. O A is an order 3 square matrix with 2 eigenvalues ), and 12 such that the eigenspace Ex, has 2 dimension det()I - A) = (X - 2)2(X - 1) and the eigenspace E2 is 1-dimensional. A is an order 3 square matrix with 3 distinct eigenvalues