what is the min value of
(a + b)/(1/a + 1/b)
i) given a, b are both +ve
ii) no restriction on a, b
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what is the min value of
(a + b)/(1/a + 1/b)
i) given a, b are both +ve
ii) no restriction on a, b
Quote:
Originally Posted by itsmaximhere
$\displaystyle \frac{a+b}{\frac{1}{a} + \frac{1}{b}} = \frac{a+b}{\frac{a+b}{ab}} =( a+b) \times \frac{ab}{a+b} = ab $
Hope that helps.
