Let I be any interval disjoint from [–1, 1]. Prove that the function f given by f(x) = x + 1/x is in

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#applicationofderivatives
#Let I be any interval disjoint from [–1, 1]. Prove that the function f given byfofxisequaltoxplus1byxisincreasingonI
Let I be any interval disjoint from [–1, 1]. Prove that the function f given by f(x) = x + 1/x is increasing on I.
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adityaprinsusinghrajput.