1. ## Unsolvable Integration

Hello all

I would like to ask about this integration , i tried several method to solve it but i failed , some one told me this integration is solvable in complex variable , could any one help me to find a suitable method to integrate it with steps ? i will thankful .

Best Regards
Razi

2. ## Re: Unsolvable Integration

Originally Posted by razi1974
Hello all

I would like to ask about this integration , i tried several method to solve it but i failed , some one told me this integration is solvable in complex variable , could any one help me to find a suitable method to integrate it with steps ? i will thankful .

Best Regards
Razi
This is no simple answer. Here is one.

3. ## Re: Unsolvable Integration

Find the power series expansion for the function. Then, integrate term-by-term.

http://www.wolframalpha.com/input/?i...+x%2Fsinh+x%5D

4. ## Re: Unsolvable Integration

Thanks Plato , Slip

Really it is very good answer , best regards

Razi