SOLUTION: If I have (1/A+1/B)^-1 That is AB/A+B What if it were (1/A+1/B+1/C)^-1 I am trying to figure this out, but I am having some difficulty.

Algebra ->  Exponents-negative-and-fractional -> SOLUTION: If I have (1/A+1/B)^-1 That is AB/A+B What if it were (1/A+1/B+1/C)^-1 I am trying to figure this out, but I am having some difficulty.      Log On


   



Question 470574: If I have (1/A+1/B)^-1 That is AB/A+B
What if it were (1/A+1/B+1/C)^-1
I am trying to figure this out, but I am having some difficulty.

Answer by robertb(5830) About Me  (Show Source):