SOLUTION: Hi there, I'm trying to solve R=(R1xR2)/(R1+R2) for R2 and can't seem to wrap my brain around it. Any help would be greatly appreciated. Thanks!

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Question 814760: Hi there, I'm trying to solve R=(R1xR2)/(R1+R2) for R2 and can't seem to wrap my brain around it. Any help would be greatly appreciated. Thanks!
Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
What you have is the rule for finding the
equivalent resistor, , for 2 resistors
and in parallel.
---------------------------

Multiply both sides by


Subtract from both sides


Divide both sides by

Divide top and bottom of the right side by
answer
-----------------------
check the answer:

Let
Let



-----------






OK

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