Simplify a power of a complex number z^n, or solve an equation of the form z^n=k.
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Evaluate the following expression.
Your answer must be exact.
left parenthesis, start fraction, 7, divided by, 2, end fraction, plus, start fraction, 7, square root of, 3, end square root, i, divided by, 2, end fraction, right parenthesis, start superscript, 3, end superscript, equals