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Math Help - antiderivative of (e^1/x) / (x^2)

  1. #1
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    Post antiderivative of (e^1/x) / (x^2)

    (e^1/x) / (x^2) dx
    i do not even know where to begin
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  2. #2
    Math Engineering Student
    Krizalid's Avatar
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    what substitution do you think you need to do?

    remember the problem you recently posted about (1+e^{\tan x})\sec^2x ? you found the substitution you needed to do, can you know find what's the substitution needed here?
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