Question

sum of 4th roots of unity is
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Answer 1

Answer:

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Step-by-step explanation:

A complex number z such that z 4=1. There are 4 fourth roots of unity and they are 1, i,−1 and−i. (See n-th root of unity.)

Answer 2

Answer:

A complex number z such that z 4=1. There are 4 fourth roots of unity and they are 1, i,-1 and-i. (See n-th root of unity.)

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