## Sonntag, 29. Mai 2011

### Griffith, Ex. 2.7

I'm checking out this integral.

The solution (without inserting values) is computed with Maple.
$-\frac{R-zu}{{z}^{2}\sqrt{{z}^{2}+{R}^{2}-2zRu}}$
The question would be now, how to get the integral from x=-1 to x=1. I need to tell Maple that z > R. How can I do that?
One a side note, it seems as if I can not view the MathML in Safari. Why is that?