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Math Help - simify

  1. #1
    Junior Member
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    bowie md
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    simify

    \frac{1}{R}= \frac{1}{R1}+ \frac{1}{R2}

    Find R1
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  2. #2
    Super Member
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    Jun 2012
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    Re: simify

    Subtract 1/R2 from both sides, simplify:

    \frac{1}{R1} = \frac{1}{R} - \frac{1}{R2} = \frac{R2 - R}{R(R2)}

    Reciprocate:

     R1 = \frac{R(R2)}{R2 - R}
    Last edited by richard1234; June 12th 2012 at 11:33 PM.
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