Question: Let A be the matrix 1 Z A = a 1 + 2i -1 where a e R and z E C. Assume that A

Let A be the matrix 1 Z A = a 1 + 2i -1 where a e
Let A be the matrix 1 Z A = a 1 + 2i -1 where a e R and z E C. Assume that A is Hermitian. (a) Find z. (b Find a > 0 for which A is unitary

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