- #1

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## Homework Statement

How do you integrate this?

x

^{-a}e

^{-b/x}, where a and b are some constants.

## The Attempt at a Solution

I have tried this

http://integrals.wolfram.com/index.jsp?expr=x+*+e^%28-1%2Fx%29&random=false

Is there a closed form of this?