设f(x+1\x)=x^2+1/x^2,求f(x)和f(x-1/x)

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$设f(x+1\x)=x^2+1/x^2,求f(x)和f(x-1/x)$

设f(x+1\x)=x^2+1/x^2,求f(x)和f(x-1/x)
设f(x+1\x)=x^2+1/x^2,求f(x)和f(x-1/x)

f(x)=x2-2