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f(x)=x-(1)/(x) is...

`f(x)=x-(1)/(x)` is

A

increasing in R

B

decreasing in `R^(+)`

C

increasing in `R-{0}`

D

none of these

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The correct Answer is:
C
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MARVEL PUBLICATION-APLICATIONS OF DERIVATIVES-MULTIPLE CHOICE QUESTIONS (TEST YOUR GRASP - II : CHAPTER 12)
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