Solve for x

Discussion in 'Other Pre-University Math' started by nycmathguy, Jun 20, 2022.

  1. nycmathguy

    nycmathguy

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    IMG_20220620_163718.jpg
     
    nycmathguy, Jun 20, 2022
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  2. nycmathguy

    MathLover1

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    100/(1+e^(2x))=1

    100=(1+e^(2x))

    1+e^(2x)=100

    e^(2x)=100-1

    e^(2x)=99

    ln(e^(2x))=ln(99)

    (2x)ln(e)=ln(3^2*11)

    (2x)*1=ln(3^2)+ln(11)

    2x=2log(3) + log(11)

    x=(2log(3) + log(11))/2

    x=log(3) + log(11)/2
     
    MathLover1, Jun 20, 2022
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  3. nycmathguy

    nycmathguy

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    Thanks. LaTex or Wolfram, please.
     
    nycmathguy, Jun 20, 2022
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