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Complex numbers 2 — Question 10

QCAA 2023, Paper 2 · 1 mark

Q10 · 2023 · Technology-activeSimple familiar1 mark

QUESTION 10

The Argand diagram that represents the solutions to z4=16cis⁡(2π3)z^4=16\operatorname{cis}\left(\frac{2\pi}{3}\right), z∈Cz\in\mathbb C, is
Four Argand-diagram options A to D showing possible fourth roots.
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