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.

asked Oct 13, 2019 65.8k views

3 votes

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.

5.6k points

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3 votes

multiply through by fab:-

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

f = ab / (a + b)

VikingGlen answered Oct 18, 2019

5.2k points

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