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1. Evaluate the cube root ofz=27cis(240^ circ). Then raise them to the cube. Show the steps of your reasoning. 2. Evaluate[ sqrt[5]{3} ( frac{ sqrt{3}}{2}+
1. Evaluate the cube root ofz=27cis(240^ \circ). Then raise them to the cube. Show the steps of your reasoning.
2. Evaluate[ \sqrt[5]{3} ( \frac{ \sqrt{3}}{2}+ \frac{i}{2} ) ]^{10}.
3. Find\frac{z_1}{z_2}in polar form:
z_1=21cis(135^ \circ)z_2=3cis(75^ \circ)
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