題組內容
5.
(a) (7 points) Use a suitable change of variable to compute
$$\iint_R (x + y)^2 e^{x^2 - y^2} \mathrm{d}A,$$
where $R$ is the square with vertices $(1,0), (0,1), (-1,0)$ and $(0, -1)$
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5.
(a) (7 points) Use a suitable change of variable to compute
$$\iint_R (x + y)^2 e^{x^2 - y^2} \mathrm{d}A,$$
where $R$ is the square with vertices $(1,0), (0,1), (-1,0)$ and $(0, -1)$