Use a change of variables to evaluate the triple integral of:

sqrt[(x+y)/(x-y)] in region R where R is the region enclosed by the triangle with vertices (1,0), (4,0), and (4,3).

Please help?

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- Feb 23rd 2010, 05:45 PMwingedsakuraChange of Variables
Use a change of variables to evaluate the triple integral of:

sqrt[(x+y)/(x-y)] in region R where R is the region enclosed by the triangle with vertices (1,0), (4,0), and (4,3).

Please help? - Feb 24th 2010, 04:52 AMKrizalid
Start by putting $\displaystyle u=x+y,$ $\displaystyle v=x-y.$