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A problem about Integration:


While i am trying to integrate Mathematica lets the constants to be
complex. so isn't there a way to define variables to be Real and largen
than 0.

My problem is quite funny . here it is:


Integarete[a function, then give assumptions like: Im[z]==0 && Im[b]==0 
&& a>0 && b>0 ..... and so on]

But the result is something like:

If[Im[a+b]==0 && (a+b)>0 && (-a-b)<0 .... and such nonsense things ...]

Can any one helpm me with this problem.

Thanks for all.

Oguzhan.



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