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[" 14.If "x^(2)=(1)/(x^(2))+1," then "x^...

[" 14.If "x^(2)=(1)/(x^(2))+1," then "x^(2)+(1)/(x^(2))" is equal to "],[[" A) "5," B) "+-sqrt(5)," C) "sqrt(5)," D) "0]]

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