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The centre of a regular hexagon is at th...

The centre of a regular hexagon is at the point z = i. If one of its vertices is at 2 + i, then the adjacent vertices of 2 + i are at the points :

A

`1+- 2i`

B

`i+1 +-sqrt3`

C

`2+i (1+-sqrt3)`

D

`1+i (1+-sqrt3)`.

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