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September 20, 2014

September 20, 2014

Posted by **alana** on Thursday, April 9, 2009 at 3:34pm.

(e^-(x^2+y^2+z^2))/(sqrt(x^2+y^2+z^2)dV

where E is the region bounded by the spheres

x^2+y^2+z^2=49 and

x^2+y^2+z^2=81???

- math -
**Count Iblis**, Thursday, April 9, 2009 at 5:07pmIntegrate

exp(-r^2)/r 4 pi r^2 dr from r = 7 to r = 9

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