Homework Help: math

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

use spherical coordinates to evaluate the triple integral of

(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 5:07pm
Integrate

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

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