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Jul14-11, 11:27 AM
micromass's Avatar
P: 18,346
Hi Deathfish!

If your result is


then it is completely correct!!
Now, why does mathematica give another result? Well, the above result can be put in a form that is even more convenient. Indeed, the term [itex]\frac{x+4}{16x^2}[/itex] can be "simplified" further as


This is a better form since it's more suitable for integration purposes. But your result isn't wrong!