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Let I be an interval disjointed from [-1...

Let `I` be an interval disjointed from `[-1,\ 1]` . Prove that the function `f(x)=x+1/x` is increasing on `I` .

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The correct Answer is:
`(-1, 1)`
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MODERN PUBLICATION-APPLICATIONS OF DERIVATIVES-NCERT - FILE (Question from NCERT Book) (Exercise 6.2)
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  14. On which of the following intervals is the function 'f' given by f(x)=...

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