f(X-1)=3x^2-2x+1,则f(X+1)=
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已知f(x)满足2f(x)+f(1/x)=3x,求f(x)?
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3f(x)+2f(1/x)=2x,则f(x)=?
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已知f(x)满足2f(x)+f(1/x)=3x,则f(x)=
f(x)满足f(x)+2f(1/x)=3x,则f(x)=_______
f(x)=x(x-1)(x-2)(x-3)(x-4) f'(1)=?
设函数f(x)满足f(x)+2f(1/x)=x,求f(x)
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f(x)=x(x-1)(x-2)(x-3).(x-n),则f(x)的n+1阶求导