Confirm that the law of exponents is valid for all non-zero complex numbers and all complex exponents and . Give an example of complex numbers and for which .

My attempt at a solution follows:

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I am fairly certain this is at least on the way to being right, but I have no idea about a counterexample. Will you please look over it and see if I'm on the right track and then perhaps point me in the direction to developing a counterexample? Thanks.