Re: 2 easy double integrals

Hint for the second integral: change the order of integration

Re: 2 easy double integrals

The first integral

Re: 2 easy double integrals

thank you so much :-))))) ! just solved myself the second one but really thanks for both ! didn't expect such a quick answer !

but concerning first integral my book gives us answer (pi/2)*ln3 ...

Re: 2 easy double integrals

Quote:

but concerning first integral my book gives us answer (pi/2)*ln3 ...

I checked in Maple. Check carefully.