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Maths-

General

Easy

Question

If $Z subscript 1 end subscript$ and $z subscript 2 end subscript$ are two nth roots of unity, then arg $open parentheses z subscript 1 end subscript divided by z subscript 2 end subscript close parentheses$ is a multiple of –

n $π$
3 $π$ /n
2 $π$ /n
None of these

The correct answer is: 2 $pi$ /n

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