9231 P23 - Jun 2022 - Q1 - 5 marks
5983
Find the roots of the equation \(z^{3}=7 \sqrt{3}-7 \mathrm{i}\), giving your answers in the form \(r \mathrm{e}^{\mathrm{i} \theta}\), where \(r\gt 0\) and \(-\pi \leqslant \theta\lt \pi\).
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