Can't find any benefit on your answer.

Then you already knew all those ways? As you know my German is not good. But I thought they were Wunderbar!

]]>Your third link is not correct. There's a function sin(ln(x)), which is a bit different.

My approach was about using the exponential

.]]>Any of these what you want?

http://community.boredofstudies.org/sho … ?p=3316947

http://in.answers.yahoo.com/question/in … 624AAoHR5q

]]>this integral was introduced as a problem in qualification round for regional olympiad. It took me an hour to solve. Can you solve it too?

I'm looking for your suggestions,**Izmael**