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**1. Homework Statement**

[tex]\int \frac{e^6^x}{e^1^2^x+64}dx[/tex]

**3. The Attempt at a Solution**

Well, it seems like it might be a u-substitution problem, but I think I have to rewrite it somehow to get the numerator to cancel? If anyone can give me a hint on what to choose for u, or maybe how to split it up, it would be great. :)