SOLUTION: i have a rational equation that is: 1/F = (n-1)(1/Rsub1 + 1/Rsub2). it asks to express F as a rational expression. the answer is given as: F = Rsub1 * Rsub2 / (n-1)(Rsub1 + Rsub2).
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Question 1016551: i have a rational equation that is: 1/F = (n-1)(1/Rsub1 + 1/Rsub2). it asks to express F as a rational expression. the answer is given as: F = Rsub1 * Rsub2 / (n-1)(Rsub1 + Rsub2). What steps did they take to get to this solution?
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
\left(\frac{1}{R_1} + \frac{1}{R_2}\right))
Since 
this is equivalent to
\left(\frac{R_1 + R_2}{R_1R_2}\right) = \frac{(n-1)(R_1 + R_2)}{R_1R_2})
Invert both sides to get the desired answer:
(R_1 + R_2))
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