Question Number 89315 by abdomathmax last updated on 16/Apr/20
![calculate ∫∫_([0,1]^2 ) ((arctan(xy))/((x+y)^2 ))dxdy](https://www.tinkutara.com/question/Q89315.png)
$${calculate}\:\int\int_{\left[\mathrm{0},\mathrm{1}\right]^{\mathrm{2}} } \:\:\:\frac{{arctan}\left({xy}\right)}{\left({x}+{y}\right)^{\mathrm{2}} }{dxdy} \\ $$
calculate-0-1-2-arctan-xy-x-y-2-dxdy-