I can't get my head round this one: int (1/x^2)*e^(1/x^2) I know I need to use substitution but if I use u=1/x the derivative doesn't seem to help and the same if I use u=1/x^2 Any help appreciated
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Originally Posted by bellycan I can't get my head round this one: int (1/x^2)*e^(1/x^2) I know I need to use substitution but if I use u=1/x the derivative doesn't seem to help and the same if I use u=1/x^2 Any help appreciated Let then, Which is not "doable".
Originally Posted by bellycan I can't get my head round this one: int (1/x^2)*e^(1/x^2) I know I need to use substitution but if I use u=1/x the derivative doesn't seem to help and the same if I use u=1/x^2 Any help appreciated if you have 0 to infinity as limits you might end up with the gamma integral after suitable substitutions
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