[" Let "z" is a complex number such that...

[" Let "z" is a complex number such that "z+(1)/(z)=2cos(3^(@)),],[" the value of "z^(2000)+(1)/(z^(2000))+1" is "],[[" (a) "0," (b) "-1],[" (c) "(sqrt(3)+1)," (d) "-(sqrt(3)-1)]]

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