Find the minimal value of the product , when and are positive real numbers.
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We have: ( just see that (*) and expand) Similarly with the others. And multiply: And note that: thus: Equality is achieved iff: ( see (*) )
Originally Posted by Winding Function Find the minimal value of the product , when and are positive real numbers. It looks to be , but I'm not sure about that. I certainly couldn't prove it.
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