SOLUTION: Given 1/R = (1/a) + (1/b) + (1/c), solve for R.

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Question 1208435:
Given 1/R = (1/a) + (1/b) + (1/c), solve for R.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
1/R = (1/a) + (1/b) + (1/c)

1%2FR+=+%281%2Fa%29+%2B+%281%2Fb%29+%2B+%281%2Fc%29


Rabc%281%2FR%29=%28Rabc%29%281%2Fa%2B1%2Fb%2B1%2Fc%29
abc=Rbc%2BRac%2BRab
abc=R%28bc%2Bac%2Bab%29
highlight%28R=%28abc%29%2F%28bc%2Bac%2Bab%29%29