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Math Help - rearrange equation

  1. #1
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    Jul 2008
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    rearrange equation

    G= pi x D^2/ 4JL

    Hi how can I rearrange this to give me a value of D??

    Thank you for your help in advance.
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  2. #2
    Super Member
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    Smile

    G=\left (\frac{\pi x}{4JL}  \right )D^2
    D^2=\frac{G}{\frac{\pi x}{4JL}}
    D^2=\frac{G4JL}{\pi x}
    D= +\sqrt{\frac{G4JL}{\pi x}} or -\sqrt{\frac{G4JL}{\pi x}}
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  3. #3
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    Oh thank you soo much for your prompt reply!!
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