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If X(r ) = cos ((pi)/(2^(r ))) + i sin (...

If `X_(r )` = cos `((pi)/(2^(r ))) + i` sin `((pi)/(2^(r )))` then `x_(1), x_(2)…. X_(infty)` is

A

`-infty`

B

`-2`

C

`-1`

D

0

Text Solution

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The correct Answer is:
A
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