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If ((1+i)/(1-i))^x=1 then (A) x=2n+1, wh...

If `((1+i)/(1-i))^x=1` then (A) `x=2n+1`, where n is any positive ineger (B) `x=3n, where n is any positive integer (C) `x=2n` where n is any positive integer (D) `x=4n+1` where n is any positive integer

A

4 n

B

4 n + 1

C

2 n

D

2 n + 1

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