Question
If $z=-1$ then $\arg z^{(2 / 3)}=$(a) $(\pi / 3), 2 \pi$(b) $0,(2 \pi / 3),[(-2 \pi) / 3]$(c) $[(10 \pi) / 3]$(d) $\pi, 2 \pi$
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We need to find the argument of $z^{2/3}$. Show more…
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