Question: I Suppose A is a 2 X 2 matrix. Use the characteristic equation to show that A and A have the same eigenvalues. II Find

I Suppose A is a 2 X 2 matrix. Use the

I Suppose A is a 2 X 2 matrix. Use the characteristic equation to show that A and A have the same eigenvalues. II Find an orthogonal matrix which diagonalizes 2 2 III Find the orthogonal complement of the subspace W = span{ (1, 2, 0, 1)], (1, 0, 3, 2) T}

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