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# Math

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Complex number z lies on the circle centered at 0 with radius 5. What is |z^3|?

Oct 13, 2018

#1
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$$z = 5 e^{i \theta} \\ z^3 = 5^3 e^{i3\theta} \\ |z^3| = 5^3 = 125$$

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Oct 14, 2018