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1/a+1/b=1/c for c

lee15503952  Apr 12, 2017
edited by lee15503952  Apr 12, 2017
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 #1
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1/a  + 1/b   =   1/c       get a common denominator on the right

 

[b  + a]  / ab   = 1/c      and we can write

 

ab / [ b + a]   =  c  / 1

 

ab / [a + b]  =  c

 

 

cool cool cool

CPhill  Apr 12, 2017

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