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Math Help - help to clear a complex formula

  1. #1
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    help to clear a complex formula

    help to clear a complex formula-ecuacion.jpg how will look that equation if p = 0 and i want to clear I.... I have tried everything i know, but nothing has worked so if anybody can help me with that.... if also anybody knows about a function in R capable to do that will be awesome
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  2. #2
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    Re: help to clear a complex formula

    set p to zero, get rid of the denominator, move to the left all but the square root, then square the entire equation, after that square the expression in brackets and then some things should cancel out, other things can be added together. Ensure that all expressions containing I are on the left and all the others on the right, then on the left extract I and after that finally divide by the factor you get within brackets after extracting I. Easy as Pi.
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  3. #3
    Senior Member MaxJasper's Avatar
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    Lightbulb Re: help to clear a complex formula

    I = \frac{\left(P-R_d\right) \left(P \Theta -A_{\max }-\Theta  R_d\right)}{\phi  \left(P-A_{\max }-R_d\right)}


    A_{\max }=  \frac{\left(P-R_d\right) \left(P \Theta -I \phi -\Theta  R_d\right)}{P-I \phi -R_d}
    Last edited by MaxJasper; October 4th 2012 at 03:49 PM.
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