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OpenStudy (user123):
optimization help?!
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OpenStudy (user123):
OpenStudy (holsteremission):
You're basically asked to minimize the function \(f(x)=x+\dfrac{1}{x}\). Since \(x\) is a positive number, you must have \(0<x<\infty\) (an open interval). Find the critical points of \(f(x)\). When is \(f'(x)=0\) ?
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