Question Number 115365 by Bird last updated on 25/Sep/20
![calculate ∫∫_([0,1]^2 ) ((arctan(xy))/( (√(x^2 +y^2 ))))dxdy](https://www.tinkutara.com/question/Q115365.png)
$${calculate}\:\int\int_{\left[\mathrm{0},\mathrm{1}\right]^{\mathrm{2}} } \:\:\frac{{arctan}\left({xy}\right)}{\:\sqrt{{x}^{\mathrm{2}} +{y}^{\mathrm{2}} }}{dxdy} \\ $$
calculate-0-1-2-arctan-xy-x-2-y-2-dxdy-