Re: double integral problem



Helmut Jarausch wrote:
xieshufu@xxxxxxxxx wrote:
Hi everyone,

I have trouble in solving a double integral. Could anyone help me?

\int \int_{D} (sqrt(x^{2}+y^{2})) dxdy
the integral area D is : (x-d)^{2}+y^{2}=r^{2}

I can't get the simplist expression
of the double integral. Can anyone give me a hand?

OK that's probably a homework.
Just one hint, what about polar coordinates?


Here's another hint: where is the origin?

--
Julian V. Noble
Professor Emeritus of Physics
University of Virginia
.



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