SOLUTION: R=1/r1+1/r2+1/r3 i need r2

Question 993120: R=1/r1+1/r2+1/r3 i need r2

Found 2 solutions by ikleyn, Alan3354:
Answer by ikleyn(52803) (Show Source): You can put this solution on YOUR website!
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Read what you submitted.

It is not sufficient info to solve the problem.

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
R=1/r1+1/r2+1/r3 i need r2
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1/r2 = R - (1/r1) - (1/r3)

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