Mathematics, 22.08.2019 18:10 mprjug6
1. let r be the equilateral in the xy plane with vertices (1,0), (4,0), (0,1) and (0,4) evaluate the double integral 1/(x+y) da with the substation x=u-uv y=uv
Answers: 3
![J =\left[\begin{array}{ccc}x_u&x_v\\y_u&y_v\\\end{array}\right] \\=1-v v\\ -u u\\=u-uv+uv =u\\](/tpl/images/0188/5162/fca98.png)
so v varies from 0 to 1
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1. let r be the equilateral in the xy plane with vertices (1,0), (4,0), (0,1) and (0,4) evaluate the...
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