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Q. Let z1 and z2 be nth roots of unity ...

Q. Let `z_1` and `z_2` be nth roots of unity which subtend a right angle at the origin, then n must be the form `4k`.

A

`4k+1`

B

`4k+2`

C

`4k+3`

D

4k

Text Solution

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The correct Answer is:
D
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