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Let z1 & z2 be the nth roots of unity which subtend a right angle at the origin, then n must be of the form (where k ∈ z)

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in Complex Numbers by (51.1k points)

Let z1 & z2 be the nth roots of unity which subtend a right angle at the origin, then n must be of the form (where k ∈ z)

a. 4k + 1

b. 4k + 2

c. 4k + 3

d. 4k

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1 Answer

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by (51.4k points)

Correct option is d. 4k

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