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If f(x) = x^2+1/x,xne0 then f(1/x) =...

If `f(x) = x^2+1/x,xne0` then `f(1/x)` =

A

`1/x^2+x`

B

`1/x+x^2`

C

`1/x^2-x`

D

`1/x-x^2`

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