Question Number 78281 by msup trace by abdo last updated on 15/Jan/20
![calculate ∫∫_W ((x^2 −3y^2 )/e^(x^2 +y^2 ) )dxdy with W =[0,1]×[0,1]](https://www.tinkutara.com/question/Q78281.png)
$${calculate}\:\:\int\int_{{W}} \:\frac{{x}^{\mathrm{2}} −\mathrm{3}{y}^{\mathrm{2}} }{{e}^{{x}^{\mathrm{2}} +{y}^{\mathrm{2}} } }{dxdy} \\ $$$${with}\:{W}\:=\left[\mathrm{0},\mathrm{1}\right]×\left[\mathrm{0},\mathrm{1}\right] \\ $$