Solve ∫e^(1/x) / x^3 dx from -1 to 0

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lasers
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∫e^(1/x) / x^3 dx ?

This has to be simple it's an improper integral from -1 to 0
How to solve?
 

Discussion



Use integration by parts.
 
You might want to try the substitution u =1/x first, then parts.
 

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