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[" 20.",(x^(2)+1+(1)/(x^(2)))^(n),n in N...

[" 20.",(x^(2)+1+(1)/(x^(2)))^(n),n in N(1)/(Phi)" siffle "#" und "(1)/(4)" and "(1)/(8)-],[[" (A) "2n," (B) "3n," (C) "2n+1]]

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