A. Use de Moivre’s formula to verify that the 5th roots of unity form a group under complex multiplication, showing all work.

Let z be a fifth rot of unity. Then, we can write z^5=1=cos2kπ+ i sin2kπ ...

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A. Use de Moivre’s formula to verify that the 5th roots of unity form a group under complex multiplication, showing all work.

Let z be a fifth rot of unity. Then, we can write z^5=1=cos2kπ+ i sin2kπ ...

Purchase the answer to view it