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((1-omega+(omega)^2)(1-(omega)^2+(omega)...

`((1-omega+(omega)^2)(1-(omega)^2+(omega)^4)(1-(omega)^4+(omega)^8)…....`to ` 2n)` factors is

A

A.`2^n`

B

B.`2^(2n)`

C

C.`0`

D

D.`1`

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