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Math Help - [SOLVED] e^x inverse

  1. #1
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    [SOLVED] e^x inverse

    Find a formula for the inverse of the function.
    f(x) = e^x^3
    f^-1(x)= ?

    i tried: lnx , e^x-3 and ln(x+3) and got it wrong every time

    any help
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  2. #2
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    From x = e^{y^3 } we get y = \sqrt[3]{{\ln (x)}}.
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