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What is the cube root of 64i

a) 4 cis 30 degrees, 4 cis 150 degrees, 4 cis 270 degrees

b) 4 cis 60 degrees, 4 cis 180 degrees, 4 cis 300 degrees

c) 1, -1, -i

d) 4 cis 0 degrees, 4 cis 120 degrees, 4 cis 240 degrees

User Iceydee
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1 Answer

7 votes

Answer:

c

Explanation:

User Garnet
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