Let f(x)=x(1/(x-1)+1/x+1/(x+1)), x >1. T...

Let `f(x)=x(1/(x-1)+1/x+1/(x+1)), x >1.` Then

A

`f(x) le1`

B

`1 lt f(x)le2`

C

`2 lt f(x) le3`

D

`f(x) gt3`

Verified by Experts

The correct Answer is:

D

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