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Grade 12Algebra

If c is the harmonic mean between a and b, then (c ⁄ a) + (c ⁄ b) is equal to

Samir Madan

12 Years agoGrade 12

1 Answer

bharat bajaj

12 Years ago

$c = \frac{2ab}{a+b}$

$\frac{c}{a}= \frac{2b}{a+b}$

$\frac{c}{b} = \frac{2a}{a+b}$

$\frac{c}{a} + \frac{c}{b} = 2$

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Bharat Bajaj

askiitian faculty
IIT Delhi

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