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If ((1 +i)/(1 -i))^(x) =1, then n inN....

If `((1 +i)/(1 -i))^(x) =1`, then
n` in`N.

A

x = 2n, where n is any positive integer

B

x = 4n + 1, where n is any positive integer

C

x = 2n + 1, where n is any positive integer

D

x = 4n, where n is any positive integer

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The correct Answer is:
D
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