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Homework Help: Simple question about e and ln.

  1. Jan 23, 2008 #1
    Ok really dumb one here for you but for the life of me i can't remember.

    first
    e^(2lnx) is that equal to x^2

    like i said brain fart
    thanks for the help guys
     
  2. jcsd
  3. Jan 23, 2008 #2
    yup, e^(2lnx) = e^(ln (x^2)) = x^2
     
  4. Jan 23, 2008 #3
    [tex]e^{2\ln x}[/tex]

    [tex]e^{\ln{x^2}}[/tex]

    [tex]x^2[/tex]
     
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