06-05-2018
Mathematics

contestada

Anyone good at literal equations?

Please do help me in solving this equation.

1/f=1/a+1/b
solve for f

Please do provide an explanation.
Thank you.

Respuesta :

Аноним Аноним

06-05-2018

multiply through by fab:-

ab = fb + fa
f(a + b) = ab

f = ab / (a + b)

Answer Link

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