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[" 86.If "2sin((pi x)/(2))=x^(2)+(1)/(x^...

[" 86.If "2sin((pi x)/(2))=x^(2)+(1)/(x^(2))" ,then "],[" the value of "(x-(1)/(x))" is "],[[" (1) "-1," (2) "2],[" (3) "1," (4) "0],[," (SSC Graduate Level Tier-II "],[" Exam."16.09.2012)]]

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