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[" If "x(n)=cos((pi)/(2^(n)))+i sin((pi)...

[" If "x_(n)=cos((pi)/(2^(n)))+i sin((pi)/(2^(n)))" ,then "x_(1)x_(2)x_(3)......" to "oo" is: "],[" (a) "-i],[" fe complex number,then "|3z-1|=3|z-2|" represents: "]

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