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

Let `z_1 and z_2` be nth roots of unity which subtend a right angle at the origin. Then n must be of the form (1) `4k+1` (2) `4k+2` (3) `4k+3` (4) `4k`

A

`4k+1`

B

`4k+2`

C

`4k+3`

D

`4k`

Text Solution

Verified by Experts

The correct Answer is:
D
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